diff --git a/integration/angular/simple-message.ts b/integration/angular/simple-message.ts
index bb230e72b..6b578253f 100644
--- a/integration/angular/simple-message.ts
+++ b/integration/angular/simple-message.ts
@@ -55,9 +55,8 @@ export const SimpleMessage = {
   },
 
   create<I extends Exact<DeepPartial<SimpleMessage>, I>>(base?: I): SimpleMessage {
-    return SimpleMessage.fromPartial(base ?? {});
+    return SimpleMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleMessage>, I>>(object: I): SimpleMessage {
     const message = createBaseSimpleMessage();
     message.numberField = object.numberField ?? 0;
diff --git a/integration/async-iterable-services-abort-signal/simple.ts b/integration/async-iterable-services-abort-signal/simple.ts
index bcfc7f913..2fef10081 100644
--- a/integration/async-iterable-services-abort-signal/simple.ts
+++ b/integration/async-iterable-services-abort-signal/simple.ts
@@ -88,9 +88,8 @@ export const EchoMsg = {
   },
 
   create<I extends Exact<DeepPartial<EchoMsg>, I>>(base?: I): EchoMsg {
-    return EchoMsg.fromPartial(base ?? {});
+    return EchoMsg.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<EchoMsg>, I>>(object: I): EchoMsg {
     const message = createBaseEchoMsg();
     message.body = object.body ?? "";
diff --git a/integration/async-iterable-services/simple.ts b/integration/async-iterable-services/simple.ts
index a06a74093..4b6c45a32 100644
--- a/integration/async-iterable-services/simple.ts
+++ b/integration/async-iterable-services/simple.ts
@@ -88,9 +88,8 @@ export const EchoMsg = {
   },
 
   create<I extends Exact<DeepPartial<EchoMsg>, I>>(base?: I): EchoMsg {
-    return EchoMsg.fromPartial(base ?? {});
+    return EchoMsg.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<EchoMsg>, I>>(object: I): EchoMsg {
     const message = createBaseEchoMsg();
     message.body = object.body ?? "";
diff --git a/integration/avoid-import-conflicts/simple.ts b/integration/avoid-import-conflicts/simple.ts
index 299bbe76c..53fa95643 100644
--- a/integration/avoid-import-conflicts/simple.ts
+++ b/integration/avoid-import-conflicts/simple.ts
@@ -133,9 +133,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -210,9 +209,8 @@ export const SimpleEnums = {
   },
 
   create<I extends Exact<DeepPartial<SimpleEnums>, I>>(base?: I): SimpleEnums {
-    return SimpleEnums.fromPartial(base ?? {});
+    return SimpleEnums.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleEnums>, I>>(object: I): SimpleEnums {
     const message = createBaseSimpleEnums();
     message.localEnum = object.localEnum ?? 0;
@@ -269,9 +267,8 @@ export const FooServiceCreateRequest = {
   },
 
   create<I extends Exact<DeepPartial<FooServiceCreateRequest>, I>>(base?: I): FooServiceCreateRequest {
-    return FooServiceCreateRequest.fromPartial(base ?? {});
+    return FooServiceCreateRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FooServiceCreateRequest>, I>>(object: I): FooServiceCreateRequest {
     const message = createBaseFooServiceCreateRequest();
     message.kind = object.kind ?? 0;
@@ -327,9 +324,8 @@ export const FooServiceCreateResponse = {
   },
 
   create<I extends Exact<DeepPartial<FooServiceCreateResponse>, I>>(base?: I): FooServiceCreateResponse {
-    return FooServiceCreateResponse.fromPartial(base ?? {});
+    return FooServiceCreateResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FooServiceCreateResponse>, I>>(object: I): FooServiceCreateResponse {
     const message = createBaseFooServiceCreateResponse();
     message.kind = object.kind ?? 0;
diff --git a/integration/avoid-import-conflicts/simple2.ts b/integration/avoid-import-conflicts/simple2.ts
index 111f0665e..57968f6bb 100644
--- a/integration/avoid-import-conflicts/simple2.ts
+++ b/integration/avoid-import-conflicts/simple2.ts
@@ -147,9 +147,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
diff --git a/integration/barrel-imports/bar.ts b/integration/barrel-imports/bar.ts
index 7ea77bd2a..70156a00a 100644
--- a/integration/barrel-imports/bar.ts
+++ b/integration/barrel-imports/bar.ts
@@ -67,9 +67,8 @@ export const Bar = {
   },
 
   create<I extends Exact<DeepPartial<Bar>, I>>(base?: I): Bar {
-    return Bar.fromPartial(base ?? {});
+    return Bar.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Bar>, I>>(object: I): Bar {
     const message = createBaseBar();
     message.name = object.name ?? "";
diff --git a/integration/barrel-imports/foo.ts b/integration/barrel-imports/foo.ts
index e5a81e984..c7f833d97 100644
--- a/integration/barrel-imports/foo.ts
+++ b/integration/barrel-imports/foo.ts
@@ -71,9 +71,8 @@ export const Foo = {
   },
 
   create<I extends Exact<DeepPartial<Foo>, I>>(base?: I): Foo {
-    return Foo.fromPartial(base ?? {});
+    return Foo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo>, I>>(object: I): Foo {
     const message = createBaseFoo();
     message.name = object.name ?? "";
diff --git a/integration/batching-with-context-esModuleInterop/batching.ts b/integration/batching-with-context-esModuleInterop/batching.ts
index ff89bf541..ed1f9bc41 100644
--- a/integration/batching-with-context-esModuleInterop/batching.ts
+++ b/integration/batching-with-context-esModuleInterop/batching.ts
@@ -94,9 +94,8 @@ export const BatchQueryRequest = {
   },
 
   create<I extends Exact<DeepPartial<BatchQueryRequest>, I>>(base?: I): BatchQueryRequest {
-    return BatchQueryRequest.fromPartial(base ?? {});
+    return BatchQueryRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchQueryRequest>, I>>(object: I): BatchQueryRequest {
     const message = createBaseBatchQueryRequest();
     message.ids = object.ids?.map((e) => e) || [];
@@ -152,9 +151,8 @@ export const BatchQueryResponse = {
   },
 
   create<I extends Exact<DeepPartial<BatchQueryResponse>, I>>(base?: I): BatchQueryResponse {
-    return BatchQueryResponse.fromPartial(base ?? {});
+    return BatchQueryResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchQueryResponse>, I>>(object: I): BatchQueryResponse {
     const message = createBaseBatchQueryResponse();
     message.entities = object.entities?.map((e) => Entity.fromPartial(e)) || [];
@@ -210,9 +208,8 @@ export const BatchMapQueryRequest = {
   },
 
   create<I extends Exact<DeepPartial<BatchMapQueryRequest>, I>>(base?: I): BatchMapQueryRequest {
-    return BatchMapQueryRequest.fromPartial(base ?? {});
+    return BatchMapQueryRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryRequest>, I>>(object: I): BatchMapQueryRequest {
     const message = createBaseBatchMapQueryRequest();
     message.ids = object.ids?.map((e) => e) || [];
@@ -284,9 +281,8 @@ export const BatchMapQueryResponse = {
   },
 
   create<I extends Exact<DeepPartial<BatchMapQueryResponse>, I>>(base?: I): BatchMapQueryResponse {
-    return BatchMapQueryResponse.fromPartial(base ?? {});
+    return BatchMapQueryResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryResponse>, I>>(object: I): BatchMapQueryResponse {
     const message = createBaseBatchMapQueryResponse();
     message.entities = Object.entries(object.entities ?? {}).reduce<{ [key: string]: Entity }>((acc, [key, value]) => {
@@ -365,9 +361,8 @@ export const BatchMapQueryResponse_EntitiesEntry = {
   create<I extends Exact<DeepPartial<BatchMapQueryResponse_EntitiesEntry>, I>>(
     base?: I,
   ): BatchMapQueryResponse_EntitiesEntry {
-    return BatchMapQueryResponse_EntitiesEntry.fromPartial(base ?? {});
+    return BatchMapQueryResponse_EntitiesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryResponse_EntitiesEntry>, I>>(
     object: I,
   ): BatchMapQueryResponse_EntitiesEntry {
@@ -428,9 +423,8 @@ export const GetOnlyMethodRequest = {
   },
 
   create<I extends Exact<DeepPartial<GetOnlyMethodRequest>, I>>(base?: I): GetOnlyMethodRequest {
-    return GetOnlyMethodRequest.fromPartial(base ?? {});
+    return GetOnlyMethodRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GetOnlyMethodRequest>, I>>(object: I): GetOnlyMethodRequest {
     const message = createBaseGetOnlyMethodRequest();
     message.id = object.id ?? "";
@@ -486,9 +480,8 @@ export const GetOnlyMethodResponse = {
   },
 
   create<I extends Exact<DeepPartial<GetOnlyMethodResponse>, I>>(base?: I): GetOnlyMethodResponse {
-    return GetOnlyMethodResponse.fromPartial(base ?? {});
+    return GetOnlyMethodResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GetOnlyMethodResponse>, I>>(object: I): GetOnlyMethodResponse {
     const message = createBaseGetOnlyMethodResponse();
     message.entity = (object.entity !== undefined && object.entity !== null)
@@ -546,9 +539,8 @@ export const WriteMethodRequest = {
   },
 
   create<I extends Exact<DeepPartial<WriteMethodRequest>, I>>(base?: I): WriteMethodRequest {
-    return WriteMethodRequest.fromPartial(base ?? {});
+    return WriteMethodRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WriteMethodRequest>, I>>(object: I): WriteMethodRequest {
     const message = createBaseWriteMethodRequest();
     message.id = object.id ?? "";
@@ -591,9 +583,8 @@ export const WriteMethodResponse = {
   },
 
   create<I extends Exact<DeepPartial<WriteMethodResponse>, I>>(base?: I): WriteMethodResponse {
-    return WriteMethodResponse.fromPartial(base ?? {});
+    return WriteMethodResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WriteMethodResponse>, I>>(_: I): WriteMethodResponse {
     const message = createBaseWriteMethodResponse();
     return message;
@@ -661,9 +652,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? "";
diff --git a/integration/batching-with-context/batching.ts b/integration/batching-with-context/batching.ts
index 77b71e738..3f5426019 100644
--- a/integration/batching-with-context/batching.ts
+++ b/integration/batching-with-context/batching.ts
@@ -94,9 +94,8 @@ export const BatchQueryRequest = {
   },
 
   create<I extends Exact<DeepPartial<BatchQueryRequest>, I>>(base?: I): BatchQueryRequest {
-    return BatchQueryRequest.fromPartial(base ?? {});
+    return BatchQueryRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchQueryRequest>, I>>(object: I): BatchQueryRequest {
     const message = createBaseBatchQueryRequest();
     message.ids = object.ids?.map((e) => e) || [];
@@ -152,9 +151,8 @@ export const BatchQueryResponse = {
   },
 
   create<I extends Exact<DeepPartial<BatchQueryResponse>, I>>(base?: I): BatchQueryResponse {
-    return BatchQueryResponse.fromPartial(base ?? {});
+    return BatchQueryResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchQueryResponse>, I>>(object: I): BatchQueryResponse {
     const message = createBaseBatchQueryResponse();
     message.entities = object.entities?.map((e) => Entity.fromPartial(e)) || [];
@@ -210,9 +208,8 @@ export const BatchMapQueryRequest = {
   },
 
   create<I extends Exact<DeepPartial<BatchMapQueryRequest>, I>>(base?: I): BatchMapQueryRequest {
-    return BatchMapQueryRequest.fromPartial(base ?? {});
+    return BatchMapQueryRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryRequest>, I>>(object: I): BatchMapQueryRequest {
     const message = createBaseBatchMapQueryRequest();
     message.ids = object.ids?.map((e) => e) || [];
@@ -284,9 +281,8 @@ export const BatchMapQueryResponse = {
   },
 
   create<I extends Exact<DeepPartial<BatchMapQueryResponse>, I>>(base?: I): BatchMapQueryResponse {
-    return BatchMapQueryResponse.fromPartial(base ?? {});
+    return BatchMapQueryResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryResponse>, I>>(object: I): BatchMapQueryResponse {
     const message = createBaseBatchMapQueryResponse();
     message.entities = Object.entries(object.entities ?? {}).reduce<{ [key: string]: Entity }>((acc, [key, value]) => {
@@ -365,9 +361,8 @@ export const BatchMapQueryResponse_EntitiesEntry = {
   create<I extends Exact<DeepPartial<BatchMapQueryResponse_EntitiesEntry>, I>>(
     base?: I,
   ): BatchMapQueryResponse_EntitiesEntry {
-    return BatchMapQueryResponse_EntitiesEntry.fromPartial(base ?? {});
+    return BatchMapQueryResponse_EntitiesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryResponse_EntitiesEntry>, I>>(
     object: I,
   ): BatchMapQueryResponse_EntitiesEntry {
@@ -428,9 +423,8 @@ export const GetOnlyMethodRequest = {
   },
 
   create<I extends Exact<DeepPartial<GetOnlyMethodRequest>, I>>(base?: I): GetOnlyMethodRequest {
-    return GetOnlyMethodRequest.fromPartial(base ?? {});
+    return GetOnlyMethodRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GetOnlyMethodRequest>, I>>(object: I): GetOnlyMethodRequest {
     const message = createBaseGetOnlyMethodRequest();
     message.id = object.id ?? "";
@@ -486,9 +480,8 @@ export const GetOnlyMethodResponse = {
   },
 
   create<I extends Exact<DeepPartial<GetOnlyMethodResponse>, I>>(base?: I): GetOnlyMethodResponse {
-    return GetOnlyMethodResponse.fromPartial(base ?? {});
+    return GetOnlyMethodResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GetOnlyMethodResponse>, I>>(object: I): GetOnlyMethodResponse {
     const message = createBaseGetOnlyMethodResponse();
     message.entity = (object.entity !== undefined && object.entity !== null)
@@ -546,9 +539,8 @@ export const WriteMethodRequest = {
   },
 
   create<I extends Exact<DeepPartial<WriteMethodRequest>, I>>(base?: I): WriteMethodRequest {
-    return WriteMethodRequest.fromPartial(base ?? {});
+    return WriteMethodRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WriteMethodRequest>, I>>(object: I): WriteMethodRequest {
     const message = createBaseWriteMethodRequest();
     message.id = object.id ?? "";
@@ -591,9 +583,8 @@ export const WriteMethodResponse = {
   },
 
   create<I extends Exact<DeepPartial<WriteMethodResponse>, I>>(base?: I): WriteMethodResponse {
-    return WriteMethodResponse.fromPartial(base ?? {});
+    return WriteMethodResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WriteMethodResponse>, I>>(_: I): WriteMethodResponse {
     const message = createBaseWriteMethodResponse();
     return message;
@@ -661,9 +652,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? "";
diff --git a/integration/batching/batching.ts b/integration/batching/batching.ts
index ea5e6ddbb..836fc00d5 100644
--- a/integration/batching/batching.ts
+++ b/integration/batching/batching.ts
@@ -92,9 +92,8 @@ export const BatchQueryRequest = {
   },
 
   create<I extends Exact<DeepPartial<BatchQueryRequest>, I>>(base?: I): BatchQueryRequest {
-    return BatchQueryRequest.fromPartial(base ?? {});
+    return BatchQueryRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchQueryRequest>, I>>(object: I): BatchQueryRequest {
     const message = createBaseBatchQueryRequest();
     message.ids = object.ids?.map((e) => e) || [];
@@ -150,9 +149,8 @@ export const BatchQueryResponse = {
   },
 
   create<I extends Exact<DeepPartial<BatchQueryResponse>, I>>(base?: I): BatchQueryResponse {
-    return BatchQueryResponse.fromPartial(base ?? {});
+    return BatchQueryResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchQueryResponse>, I>>(object: I): BatchQueryResponse {
     const message = createBaseBatchQueryResponse();
     message.entities = object.entities?.map((e) => Entity.fromPartial(e)) || [];
@@ -208,9 +206,8 @@ export const BatchMapQueryRequest = {
   },
 
   create<I extends Exact<DeepPartial<BatchMapQueryRequest>, I>>(base?: I): BatchMapQueryRequest {
-    return BatchMapQueryRequest.fromPartial(base ?? {});
+    return BatchMapQueryRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryRequest>, I>>(object: I): BatchMapQueryRequest {
     const message = createBaseBatchMapQueryRequest();
     message.ids = object.ids?.map((e) => e) || [];
@@ -282,9 +279,8 @@ export const BatchMapQueryResponse = {
   },
 
   create<I extends Exact<DeepPartial<BatchMapQueryResponse>, I>>(base?: I): BatchMapQueryResponse {
-    return BatchMapQueryResponse.fromPartial(base ?? {});
+    return BatchMapQueryResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryResponse>, I>>(object: I): BatchMapQueryResponse {
     const message = createBaseBatchMapQueryResponse();
     message.entities = Object.entries(object.entities ?? {}).reduce<{ [key: string]: Entity }>((acc, [key, value]) => {
@@ -363,9 +359,8 @@ export const BatchMapQueryResponse_EntitiesEntry = {
   create<I extends Exact<DeepPartial<BatchMapQueryResponse_EntitiesEntry>, I>>(
     base?: I,
   ): BatchMapQueryResponse_EntitiesEntry {
-    return BatchMapQueryResponse_EntitiesEntry.fromPartial(base ?? {});
+    return BatchMapQueryResponse_EntitiesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BatchMapQueryResponse_EntitiesEntry>, I>>(
     object: I,
   ): BatchMapQueryResponse_EntitiesEntry {
@@ -426,9 +421,8 @@ export const GetOnlyMethodRequest = {
   },
 
   create<I extends Exact<DeepPartial<GetOnlyMethodRequest>, I>>(base?: I): GetOnlyMethodRequest {
-    return GetOnlyMethodRequest.fromPartial(base ?? {});
+    return GetOnlyMethodRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GetOnlyMethodRequest>, I>>(object: I): GetOnlyMethodRequest {
     const message = createBaseGetOnlyMethodRequest();
     message.id = object.id ?? "";
@@ -484,9 +478,8 @@ export const GetOnlyMethodResponse = {
   },
 
   create<I extends Exact<DeepPartial<GetOnlyMethodResponse>, I>>(base?: I): GetOnlyMethodResponse {
-    return GetOnlyMethodResponse.fromPartial(base ?? {});
+    return GetOnlyMethodResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GetOnlyMethodResponse>, I>>(object: I): GetOnlyMethodResponse {
     const message = createBaseGetOnlyMethodResponse();
     message.entity = (object.entity !== undefined && object.entity !== null)
@@ -544,9 +537,8 @@ export const WriteMethodRequest = {
   },
 
   create<I extends Exact<DeepPartial<WriteMethodRequest>, I>>(base?: I): WriteMethodRequest {
-    return WriteMethodRequest.fromPartial(base ?? {});
+    return WriteMethodRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WriteMethodRequest>, I>>(object: I): WriteMethodRequest {
     const message = createBaseWriteMethodRequest();
     message.id = object.id ?? "";
@@ -589,9 +581,8 @@ export const WriteMethodResponse = {
   },
 
   create<I extends Exact<DeepPartial<WriteMethodResponse>, I>>(base?: I): WriteMethodResponse {
-    return WriteMethodResponse.fromPartial(base ?? {});
+    return WriteMethodResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WriteMethodResponse>, I>>(_: I): WriteMethodResponse {
     const message = createBaseWriteMethodResponse();
     return message;
@@ -659,9 +650,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? "";
diff --git a/integration/bytes-as-base64/message.ts b/integration/bytes-as-base64/message.ts
index 9678e3084..0c78fea60 100644
--- a/integration/bytes-as-base64/message.ts
+++ b/integration/bytes-as-base64/message.ts
@@ -24,9 +24,8 @@ export const Message = {
   },
 
   create<I extends Exact<DeepPartial<Message>, I>>(base?: I): Message {
-    return Message.fromPartial(base ?? {});
+    return Message.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Message>, I>>(object: I): Message {
     const message = createBaseMessage();
     message.data = object.data ?? new Uint8Array(0);
diff --git a/integration/bytes-node/google/protobuf/wrappers.ts b/integration/bytes-node/google/protobuf/wrappers.ts
index 1bbfbcb1d..360a266bf 100644
--- a/integration/bytes-node/google/protobuf/wrappers.ts
+++ b/integration/bytes-node/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? Buffer.alloc(0);
diff --git a/integration/bytes-node/point.ts b/integration/bytes-node/point.ts
index c9f0a51e0..78fd909b0 100644
--- a/integration/bytes-node/point.ts
+++ b/integration/bytes-node/point.ts
@@ -73,9 +73,8 @@ export const Point = {
   },
 
   create<I extends Exact<DeepPartial<Point>, I>>(base?: I): Point {
-    return Point.fromPartial(base ?? {});
+    return Point.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Point>, I>>(object: I): Point {
     const message = createBasePoint();
     message.data = object.data ?? Buffer.alloc(0);
diff --git a/integration/const-enum/const-enum.ts b/integration/const-enum/const-enum.ts
index c6140f96d..675148027 100644
--- a/integration/const-enum/const-enum.ts
+++ b/integration/const-enum/const-enum.ts
@@ -152,9 +152,8 @@ export const DividerData = {
   },
 
   create<I extends Exact<DeepPartial<DividerData>, I>>(base?: I): DividerData {
-    return DividerData.fromPartial(base ?? {});
+    return DividerData.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DividerData>, I>>(object: I): DividerData {
     const message = createBaseDividerData();
     message.type = object.type ?? DividerData_DividerType.DOUBLE;
@@ -235,9 +234,8 @@ export const DividerData_TypeMapEntry = {
   },
 
   create<I extends Exact<DeepPartial<DividerData_TypeMapEntry>, I>>(base?: I): DividerData_TypeMapEntry {
-    return DividerData_TypeMapEntry.fromPartial(base ?? {});
+    return DividerData_TypeMapEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DividerData_TypeMapEntry>, I>>(object: I): DividerData_TypeMapEntry {
     const message = createBaseDividerData_TypeMapEntry();
     message.key = object.key ?? "";
diff --git a/integration/enums-as-literals-with-string-enums/enums-as-literals-with-string-enums.ts b/integration/enums-as-literals-with-string-enums/enums-as-literals-with-string-enums.ts
index 554f21662..4b80bfae2 100644
--- a/integration/enums-as-literals-with-string-enums/enums-as-literals-with-string-enums.ts
+++ b/integration/enums-as-literals-with-string-enums/enums-as-literals-with-string-enums.ts
@@ -118,9 +118,8 @@ export const DividerData = {
   },
 
   create<I extends Exact<DeepPartial<DividerData>, I>>(base?: I): DividerData {
-    return DividerData.fromPartial(base ?? {});
+    return DividerData.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DividerData>, I>>(object: I): DividerData {
     const message = createBaseDividerData();
     message.type = object.type ?? DividerData_DividerType.DOUBLE;
diff --git a/integration/enums-as-literals/enums-as-literals.ts b/integration/enums-as-literals/enums-as-literals.ts
index 93d1914a0..62b27838f 100644
--- a/integration/enums-as-literals/enums-as-literals.ts
+++ b/integration/enums-as-literals/enums-as-literals.ts
@@ -96,9 +96,8 @@ export const DividerData = {
   },
 
   create<I extends Exact<DeepPartial<DividerData>, I>>(base?: I): DividerData {
-    return DividerData.fromPartial(base ?? {});
+    return DividerData.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DividerData>, I>>(object: I): DividerData {
     const message = createBaseDividerData();
     message.type = object.type ?? 0;
diff --git a/integration/extensions/test.ts b/integration/extensions/test.ts
index e843bccac..dd7ea9e87 100644
--- a/integration/extensions/test.ts
+++ b/integration/extensions/test.ts
@@ -186,9 +186,8 @@ export const Extendable = {
   },
 
   create<I extends Exact<DeepPartial<Extendable>, I>>(base?: I): Extendable {
-    return Extendable.fromPartial(base ?? {});
+    return Extendable.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Extendable>, I>>(object: I): Extendable {
     const message = createBaseExtendable();
     message.field = object.field ?? undefined;
@@ -296,9 +295,8 @@ export const Nested = {
   },
 
   create<I extends Exact<DeepPartial<Nested>, I>>(base?: I): Nested {
-    return Nested.fromPartial(base ?? {});
+    return Nested.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested>, I>>(object: I): Nested {
     const message = createBaseNested();
     message.field = object.field ?? undefined;
@@ -397,9 +395,8 @@ export const Group = {
   },
 
   create<I extends Exact<DeepPartial<Group>, I>>(base?: I): Group {
-    return Group.fromPartial(base ?? {});
+    return Group.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Group>, I>>(object: I): Group {
     const message = createBaseGroup();
     message.name = object.name ?? undefined;
diff --git a/integration/fieldmask/fieldmask.ts b/integration/fieldmask/fieldmask.ts
index 8b908180b..9ec4344e1 100644
--- a/integration/fieldmask/fieldmask.ts
+++ b/integration/fieldmask/fieldmask.ts
@@ -56,9 +56,8 @@ export const FieldMaskMessage = {
   },
 
   create<I extends Exact<DeepPartial<FieldMaskMessage>, I>>(base?: I): FieldMaskMessage {
-    return FieldMaskMessage.fromPartial(base ?? {});
+    return FieldMaskMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FieldMaskMessage>, I>>(object: I): FieldMaskMessage {
     const message = createBaseFieldMaskMessage();
     message.fieldMask = object.fieldMask ?? undefined;
diff --git a/integration/fieldmask/google/protobuf/field_mask.ts b/integration/fieldmask/google/protobuf/field_mask.ts
index 327bf5421..98ce1bb8b 100644
--- a/integration/fieldmask/google/protobuf/field_mask.ts
+++ b/integration/fieldmask/google/protobuf/field_mask.ts
@@ -258,9 +258,8 @@ export const FieldMask = {
   },
 
   create<I extends Exact<DeepPartial<FieldMask>, I>>(base?: I): FieldMask {
-    return FieldMask.fromPartial(base ?? {});
+    return FieldMask.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FieldMask>, I>>(object: I): FieldMask {
     const message = createBaseFieldMask();
     message.paths = object.paths?.map((e) => e) || [];
diff --git a/integration/file-suffix/child.pb.ts b/integration/file-suffix/child.pb.ts
index 8c91027c8..d4fd6dcd8 100644
--- a/integration/file-suffix/child.pb.ts
+++ b/integration/file-suffix/child.pb.ts
@@ -88,9 +88,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = createBaseChild();
     message.name = object.name ?? "";
diff --git a/integration/file-suffix/google/protobuf/timestamp.pb.ts b/integration/file-suffix/google/protobuf/timestamp.pb.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/file-suffix/google/protobuf/timestamp.pb.ts
+++ b/integration/file-suffix/google/protobuf/timestamp.pb.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/file-suffix/parent.pb.ts b/integration/file-suffix/parent.pb.ts
index 8cd18e863..f26b84bcf 100644
--- a/integration/file-suffix/parent.pb.ts
+++ b/integration/file-suffix/parent.pb.ts
@@ -89,9 +89,8 @@ export const Parent = {
   },
 
   create<I extends Exact<DeepPartial<Parent>, I>>(base?: I): Parent {
-    return Parent.fromPartial(base ?? {});
+    return Parent.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Parent>, I>>(object: I): Parent {
     const message = createBaseParent();
     message.child = (object.child !== undefined && object.child !== null) ? Child.fromPartial(object.child) : undefined;
diff --git a/integration/from-partial-no-initialize/test.ts b/integration/from-partial-no-initialize/test.ts
index 4dc48cfcb..38648a4dc 100644
--- a/integration/from-partial-no-initialize/test.ts
+++ b/integration/from-partial-no-initialize/test.ts
@@ -70,9 +70,8 @@ export const TPartialMessage = {
   },
 
   create<I extends Exact<DeepPartial<TPartialMessage>, I>>(base?: I): TPartialMessage {
-    return TPartialMessage.fromPartial(base ?? {});
+    return TPartialMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TPartialMessage>, I>>(object: I): TPartialMessage {
     const message = createBaseTPartialMessage();
     message.field = object.field ?? undefined;
@@ -267,9 +266,8 @@ export const TPartial = {
   },
 
   create<I extends Exact<DeepPartial<TPartial>, I>>(base?: I): TPartial {
-    return TPartial.fromPartial(base ?? {});
+    return TPartial.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TPartial>, I>>(object: I): TPartial {
     const message = createBaseTPartial();
     message.number = object.number ?? undefined;
@@ -353,9 +351,8 @@ export const TPartial_MapEntry = {
   },
 
   create<I extends Exact<DeepPartial<TPartial_MapEntry>, I>>(base?: I): TPartial_MapEntry {
-    return TPartial_MapEntry.fromPartial(base ?? {});
+    return TPartial_MapEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TPartial_MapEntry>, I>>(object: I): TPartial_MapEntry {
     const message = createBaseTPartial_MapEntry();
     message.key = object.key ?? "";
diff --git a/integration/generic-metadata/hero.ts b/integration/generic-metadata/hero.ts
index de969f6f1..28f4e1b41 100644
--- a/integration/generic-metadata/hero.ts
+++ b/integration/generic-metadata/hero.ts
@@ -72,9 +72,8 @@ export const HeroById = {
   },
 
   create<I extends Exact<DeepPartial<HeroById>, I>>(base?: I): HeroById {
-    return HeroById.fromPartial(base ?? {});
+    return HeroById.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<HeroById>, I>>(object: I): HeroById {
     const message = createBaseHeroById();
     message.id = object.id ?? 0;
@@ -130,9 +129,8 @@ export const VillainById = {
   },
 
   create<I extends Exact<DeepPartial<VillainById>, I>>(base?: I): VillainById {
-    return VillainById.fromPartial(base ?? {});
+    return VillainById.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<VillainById>, I>>(object: I): VillainById {
     const message = createBaseVillainById();
     message.id = object.id ?? 0;
@@ -201,9 +199,8 @@ export const Hero = {
   },
 
   create<I extends Exact<DeepPartial<Hero>, I>>(base?: I): Hero {
-    return Hero.fromPartial(base ?? {});
+    return Hero.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Hero>, I>>(object: I): Hero {
     const message = createBaseHero();
     message.id = object.id ?? 0;
@@ -273,9 +270,8 @@ export const Villain = {
   },
 
   create<I extends Exact<DeepPartial<Villain>, I>>(base?: I): Villain {
-    return Villain.fromPartial(base ?? {});
+    return Villain.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Villain>, I>>(object: I): Villain {
     const message = createBaseVillain();
     message.id = object.id ?? 0;
diff --git a/integration/generic-service-definitions-and-services/simple.ts b/integration/generic-service-definitions-and-services/simple.ts
index 09d413f92..28066f995 100644
--- a/integration/generic-service-definitions-and-services/simple.ts
+++ b/integration/generic-service-definitions-and-services/simple.ts
@@ -55,9 +55,8 @@ export const TestMessage = {
   },
 
   create<I extends Exact<DeepPartial<TestMessage>, I>>(base?: I): TestMessage {
-    return TestMessage.fromPartial(base ?? {});
+    return TestMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TestMessage>, I>>(object: I): TestMessage {
     const message = createBaseTestMessage();
     message.value = object.value ?? "";
diff --git a/integration/generic-service-definitions/simple.ts b/integration/generic-service-definitions/simple.ts
index 09d413f92..28066f995 100644
--- a/integration/generic-service-definitions/simple.ts
+++ b/integration/generic-service-definitions/simple.ts
@@ -55,9 +55,8 @@ export const TestMessage = {
   },
 
   create<I extends Exact<DeepPartial<TestMessage>, I>>(base?: I): TestMessage {
-    return TestMessage.fromPartial(base ?? {});
+    return TestMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TestMessage>, I>>(object: I): TestMessage {
     const message = createBaseTestMessage();
     message.value = object.value ?? "";
diff --git a/integration/global-this/global-this.ts b/integration/global-this/global-this.ts
index 216089c26..39b07ba67 100644
--- a/integration/global-this/global-this.ts
+++ b/integration/global-this/global-this.ts
@@ -59,9 +59,8 @@ export const Object = {
   },
 
   create<I extends Exact<DeepPartial<Object>, I>>(base?: I): Object {
-    return Object.fromPartial(base ?? {});
+    return Object.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Object>, I>>(object: I): Object {
     const message = createBaseObject();
     message.name = object.name ?? "";
@@ -117,9 +116,8 @@ export const Error = {
   },
 
   create<I extends Exact<DeepPartial<Error>, I>>(base?: I): Error {
-    return Error.fromPartial(base ?? {});
+    return Error.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Error>, I>>(object: I): Error {
     const message = createBaseError();
     message.name = object.name ?? "";
diff --git a/integration/groups/test.ts b/integration/groups/test.ts
index 038e37513..8b8cf45bc 100644
--- a/integration/groups/test.ts
+++ b/integration/groups/test.ts
@@ -156,9 +156,8 @@ export const GroupsOptionalTest = {
   },
 
   create<I extends Exact<DeepPartial<GroupsOptionalTest>, I>>(base?: I): GroupsOptionalTest {
-    return GroupsOptionalTest.fromPartial(base ?? {});
+    return GroupsOptionalTest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsOptionalTest>, I>>(object: I): GroupsOptionalTest {
     const message = createBaseGroupsOptionalTest();
     message.int1 = object.int1 ?? undefined;
@@ -261,9 +260,8 @@ export const GroupsOptionalTest_Group = {
   },
 
   create<I extends Exact<DeepPartial<GroupsOptionalTest_Group>, I>>(base?: I): GroupsOptionalTest_Group {
-    return GroupsOptionalTest_Group.fromPartial(base ?? {});
+    return GroupsOptionalTest_Group.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsOptionalTest_Group>, I>>(object: I): GroupsOptionalTest_Group {
     const message = createBaseGroupsOptionalTest_Group();
     message.key = object.key ?? undefined;
@@ -424,9 +422,8 @@ export const GroupsRepeatedTest = {
   },
 
   create<I extends Exact<DeepPartial<GroupsRepeatedTest>, I>>(base?: I): GroupsRepeatedTest {
-    return GroupsRepeatedTest.fromPartial(base ?? {});
+    return GroupsRepeatedTest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsRepeatedTest>, I>>(object: I): GroupsRepeatedTest {
     const message = createBaseGroupsRepeatedTest();
     message.int1 = object.int1?.map((e) => e) || undefined;
@@ -537,9 +534,8 @@ export const GroupsRepeatedTest_Group = {
   },
 
   create<I extends Exact<DeepPartial<GroupsRepeatedTest_Group>, I>>(base?: I): GroupsRepeatedTest_Group {
-    return GroupsRepeatedTest_Group.fromPartial(base ?? {});
+    return GroupsRepeatedTest_Group.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsRepeatedTest_Group>, I>>(object: I): GroupsRepeatedTest_Group {
     const message = createBaseGroupsRepeatedTest_Group();
     message.key = object.key?.map((e) => e) || undefined;
@@ -700,9 +696,8 @@ export const GroupsNestedTest = {
   },
 
   create<I extends Exact<DeepPartial<GroupsNestedTest>, I>>(base?: I): GroupsNestedTest {
-    return GroupsNestedTest.fromPartial(base ?? {});
+    return GroupsNestedTest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsNestedTest>, I>>(object: I): GroupsNestedTest {
     const message = createBaseGroupsNestedTest();
     message.int1 = object.int1?.map((e) => e) || undefined;
@@ -796,9 +791,8 @@ export const GroupsNestedTest_Group = {
   },
 
   create<I extends Exact<DeepPartial<GroupsNestedTest_Group>, I>>(base?: I): GroupsNestedTest_Group {
-    return GroupsNestedTest_Group.fromPartial(base ?? {});
+    return GroupsNestedTest_Group.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsNestedTest_Group>, I>>(object: I): GroupsNestedTest_Group {
     const message = createBaseGroupsNestedTest_Group();
     message.nested = object.nested?.map((e) => GroupsNestedTest_Group_Nested.fromPartial(e)) || undefined;
@@ -890,9 +884,8 @@ export const GroupsNestedTest_Group_Nested = {
   },
 
   create<I extends Exact<DeepPartial<GroupsNestedTest_Group_Nested>, I>>(base?: I): GroupsNestedTest_Group_Nested {
-    return GroupsNestedTest_Group_Nested.fromPartial(base ?? {});
+    return GroupsNestedTest_Group_Nested.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsNestedTest_Group_Nested>, I>>(
     object: I,
   ): GroupsNestedTest_Group_Nested {
@@ -979,9 +972,8 @@ export const GroupsNestedTest_Group_Nested_Nested2 = {
   create<I extends Exact<DeepPartial<GroupsNestedTest_Group_Nested_Nested2>, I>>(
     base?: I,
   ): GroupsNestedTest_Group_Nested_Nested2 {
-    return GroupsNestedTest_Group_Nested_Nested2.fromPartial(base ?? {});
+    return GroupsNestedTest_Group_Nested_Nested2.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<GroupsNestedTest_Group_Nested_Nested2>, I>>(
     object: I,
   ): GroupsNestedTest_Group_Nested_Nested2 {
diff --git a/integration/grpc-js-use-date-false/google/protobuf/timestamp.ts b/integration/grpc-js-use-date-false/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/grpc-js-use-date-false/google/protobuf/timestamp.ts
+++ b/integration/grpc-js-use-date-false/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/grpc-js-use-date-false/grpc-js-use-date-false.ts b/integration/grpc-js-use-date-false/grpc-js-use-date-false.ts
index 511846364..9ac75b0c4 100644
--- a/integration/grpc-js-use-date-false/grpc-js-use-date-false.ts
+++ b/integration/grpc-js-use-date-false/grpc-js-use-date-false.ts
@@ -68,9 +68,8 @@ export const TimestampMessage = {
   },
 
   create<I extends Exact<DeepPartial<TimestampMessage>, I>>(base?: I): TimestampMessage {
-    return TimestampMessage.fromPartial(base ?? {});
+    return TimestampMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TimestampMessage>, I>>(object: I): TimestampMessage {
     const message = createBaseTimestampMessage();
     message.timestamp = (object.timestamp !== undefined && object.timestamp !== null)
diff --git a/integration/grpc-js-use-date-string/google/protobuf/timestamp.ts b/integration/grpc-js-use-date-string/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/grpc-js-use-date-string/google/protobuf/timestamp.ts
+++ b/integration/grpc-js-use-date-string/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/grpc-js-use-date-string/grpc-js-use-date-string.ts b/integration/grpc-js-use-date-string/grpc-js-use-date-string.ts
index 021ca8402..c3b862211 100644
--- a/integration/grpc-js-use-date-string/grpc-js-use-date-string.ts
+++ b/integration/grpc-js-use-date-string/grpc-js-use-date-string.ts
@@ -68,9 +68,8 @@ export const TimestampMessage = {
   },
 
   create<I extends Exact<DeepPartial<TimestampMessage>, I>>(base?: I): TimestampMessage {
-    return TimestampMessage.fromPartial(base ?? {});
+    return TimestampMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TimestampMessage>, I>>(object: I): TimestampMessage {
     const message = createBaseTimestampMessage();
     message.timestamp = object.timestamp ?? undefined;
diff --git a/integration/grpc-js-use-date-true/google/protobuf/timestamp.ts b/integration/grpc-js-use-date-true/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/grpc-js-use-date-true/google/protobuf/timestamp.ts
+++ b/integration/grpc-js-use-date-true/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/grpc-js-use-date-true/grpc-js-use-date-true.ts b/integration/grpc-js-use-date-true/grpc-js-use-date-true.ts
index 606cf4504..9e03abb9f 100644
--- a/integration/grpc-js-use-date-true/grpc-js-use-date-true.ts
+++ b/integration/grpc-js-use-date-true/grpc-js-use-date-true.ts
@@ -68,9 +68,8 @@ export const TimestampMessage = {
   },
 
   create<I extends Exact<DeepPartial<TimestampMessage>, I>>(base?: I): TimestampMessage {
-    return TimestampMessage.fromPartial(base ?? {});
+    return TimestampMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TimestampMessage>, I>>(object: I): TimestampMessage {
     const message = createBaseTimestampMessage();
     message.timestamp = object.timestamp ?? undefined;
diff --git a/integration/grpc-js/google/protobuf/empty.ts b/integration/grpc-js/google/protobuf/empty.ts
index 1387d7ce4..5f012de45 100644
--- a/integration/grpc-js/google/protobuf/empty.ts
+++ b/integration/grpc-js/google/protobuf/empty.ts
@@ -52,9 +52,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/grpc-js/google/protobuf/struct.ts b/integration/grpc-js/google/protobuf/struct.ts
index b2486a866..4d9869bbe 100644
--- a/integration/grpc-js/google/protobuf/struct.ts
+++ b/integration/grpc-js/google/protobuf/struct.ts
@@ -166,9 +166,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -265,9 +264,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -403,9 +401,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -503,9 +500,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/grpc-js/google/protobuf/timestamp.ts b/integration/grpc-js/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/grpc-js/google/protobuf/timestamp.ts
+++ b/integration/grpc-js/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/grpc-js/google/protobuf/wrappers.ts b/integration/grpc-js/google/protobuf/wrappers.ts
index 6637762f8..47d1af1f6 100644
--- a/integration/grpc-js/google/protobuf/wrappers.ts
+++ b/integration/grpc-js/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/grpc-js/simple.ts b/integration/grpc-js/simple.ts
index a552d77d9..44816dbfc 100644
--- a/integration/grpc-js/simple.ts
+++ b/integration/grpc-js/simple.ts
@@ -87,9 +87,8 @@ export const TestMessage = {
   },
 
   create<I extends Exact<DeepPartial<TestMessage>, I>>(base?: I): TestMessage {
-    return TestMessage.fromPartial(base ?? {});
+    return TestMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TestMessage>, I>>(object: I): TestMessage {
     const message = createBaseTestMessage();
     message.timestamp = object.timestamp ?? undefined;
diff --git a/integration/grpc-web-abort-signal/example.ts b/integration/grpc-web-abort-signal/example.ts
index a0f08c644..78503684e 100644
--- a/integration/grpc-web-abort-signal/example.ts
+++ b/integration/grpc-web-abort-signal/example.ts
@@ -159,9 +159,8 @@ export const DashFlash = {
   },
 
   create<I extends Exact<DeepPartial<DashFlash>, I>>(base?: I): DashFlash {
-    return DashFlash.fromPartial(base ?? {});
+    return DashFlash.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashFlash>, I>>(object: I): DashFlash {
     const message = createBaseDashFlash();
     message.msg = object.msg ?? "";
@@ -248,9 +247,8 @@ export const DashUserSettingsState = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(base?: I): DashUserSettingsState {
-    return DashUserSettingsState.fromPartial(base ?? {});
+    return DashUserSettingsState.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(object: I): DashUserSettingsState {
     const message = createBaseDashUserSettingsState();
     message.email = object.email ?? "";
@@ -326,9 +324,8 @@ export const DashUserSettingsState_URLs = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(base?: I): DashUserSettingsState_URLs {
-    return DashUserSettingsState_URLs.fromPartial(base ?? {});
+    return DashUserSettingsState_URLs.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(object: I): DashUserSettingsState_URLs {
     const message = createBaseDashUserSettingsState_URLs();
     message.connectGoogle = object.connectGoogle ?? "";
@@ -429,9 +426,8 @@ export const DashCred = {
   },
 
   create<I extends Exact<DeepPartial<DashCred>, I>>(base?: I): DashCred {
-    return DashCred.fromPartial(base ?? {});
+    return DashCred.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashCred>, I>>(object: I): DashCred {
     const message = createBaseDashCred();
     message.description = object.description ?? "";
@@ -506,9 +502,8 @@ export const DashAPICredsCreateReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsCreateReq>, I>>(base?: I): DashAPICredsCreateReq {
-    return DashAPICredsCreateReq.fromPartial(base ?? {});
+    return DashAPICredsCreateReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsCreateReq>, I>>(object: I): DashAPICredsCreateReq {
     const message = createBaseDashAPICredsCreateReq();
     message.description = object.description ?? "";
@@ -609,9 +604,8 @@ export const DashAPICredsUpdateReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsUpdateReq>, I>>(base?: I): DashAPICredsUpdateReq {
-    return DashAPICredsUpdateReq.fromPartial(base ?? {});
+    return DashAPICredsUpdateReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsUpdateReq>, I>>(object: I): DashAPICredsUpdateReq {
     const message = createBaseDashAPICredsUpdateReq();
     message.credSid = object.credSid ?? "";
@@ -686,9 +680,8 @@ export const DashAPICredsDeleteReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsDeleteReq>, I>>(base?: I): DashAPICredsDeleteReq {
-    return DashAPICredsDeleteReq.fromPartial(base ?? {});
+    return DashAPICredsDeleteReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsDeleteReq>, I>>(object: I): DashAPICredsDeleteReq {
     const message = createBaseDashAPICredsDeleteReq();
     message.credSid = object.credSid ?? "";
@@ -732,9 +725,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/grpc-web-go-server/example.ts b/integration/grpc-web-go-server/example.ts
index d1f2e05e3..ce5dfebd7 100644
--- a/integration/grpc-web-go-server/example.ts
+++ b/integration/grpc-web-go-server/example.ts
@@ -157,9 +157,8 @@ export const DashFlash = {
   },
 
   create<I extends Exact<DeepPartial<DashFlash>, I>>(base?: I): DashFlash {
-    return DashFlash.fromPartial(base ?? {});
+    return DashFlash.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashFlash>, I>>(object: I): DashFlash {
     const message = createBaseDashFlash();
     message.msg = object.msg ?? "";
@@ -246,9 +245,8 @@ export const DashUserSettingsState = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(base?: I): DashUserSettingsState {
-    return DashUserSettingsState.fromPartial(base ?? {});
+    return DashUserSettingsState.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(object: I): DashUserSettingsState {
     const message = createBaseDashUserSettingsState();
     message.email = object.email ?? "";
@@ -324,9 +322,8 @@ export const DashUserSettingsState_URLs = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(base?: I): DashUserSettingsState_URLs {
-    return DashUserSettingsState_URLs.fromPartial(base ?? {});
+    return DashUserSettingsState_URLs.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(object: I): DashUserSettingsState_URLs {
     const message = createBaseDashUserSettingsState_URLs();
     message.connectGoogle = object.connectGoogle ?? "";
@@ -427,9 +424,8 @@ export const DashCred = {
   },
 
   create<I extends Exact<DeepPartial<DashCred>, I>>(base?: I): DashCred {
-    return DashCred.fromPartial(base ?? {});
+    return DashCred.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashCred>, I>>(object: I): DashCred {
     const message = createBaseDashCred();
     message.description = object.description ?? "";
@@ -504,9 +500,8 @@ export const DashAPICredsCreateReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsCreateReq>, I>>(base?: I): DashAPICredsCreateReq {
-    return DashAPICredsCreateReq.fromPartial(base ?? {});
+    return DashAPICredsCreateReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsCreateReq>, I>>(object: I): DashAPICredsCreateReq {
     const message = createBaseDashAPICredsCreateReq();
     message.description = object.description ?? "";
@@ -607,9 +602,8 @@ export const DashAPICredsUpdateReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsUpdateReq>, I>>(base?: I): DashAPICredsUpdateReq {
-    return DashAPICredsUpdateReq.fromPartial(base ?? {});
+    return DashAPICredsUpdateReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsUpdateReq>, I>>(object: I): DashAPICredsUpdateReq {
     const message = createBaseDashAPICredsUpdateReq();
     message.credSid = object.credSid ?? "";
@@ -684,9 +678,8 @@ export const DashAPICredsDeleteReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsDeleteReq>, I>>(base?: I): DashAPICredsDeleteReq {
-    return DashAPICredsDeleteReq.fromPartial(base ?? {});
+    return DashAPICredsDeleteReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsDeleteReq>, I>>(object: I): DashAPICredsDeleteReq {
     const message = createBaseDashAPICredsDeleteReq();
     message.credSid = object.credSid ?? "";
@@ -730,9 +723,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/grpc-web-no-streaming-observable/example.ts b/integration/grpc-web-no-streaming-observable/example.ts
index 82366a50c..a59e9953c 100644
--- a/integration/grpc-web-no-streaming-observable/example.ts
+++ b/integration/grpc-web-no-streaming-observable/example.ts
@@ -135,9 +135,8 @@ export const DashFlash = {
   },
 
   create<I extends Exact<DeepPartial<DashFlash>, I>>(base?: I): DashFlash {
-    return DashFlash.fromPartial(base ?? {});
+    return DashFlash.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashFlash>, I>>(object: I): DashFlash {
     const message = createBaseDashFlash();
     message.msg = object.msg ?? "";
@@ -224,9 +223,8 @@ export const DashUserSettingsState = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(base?: I): DashUserSettingsState {
-    return DashUserSettingsState.fromPartial(base ?? {});
+    return DashUserSettingsState.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(object: I): DashUserSettingsState {
     const message = createBaseDashUserSettingsState();
     message.email = object.email ?? "";
@@ -302,9 +300,8 @@ export const DashUserSettingsState_URLs = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(base?: I): DashUserSettingsState_URLs {
-    return DashUserSettingsState_URLs.fromPartial(base ?? {});
+    return DashUserSettingsState_URLs.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(object: I): DashUserSettingsState_URLs {
     const message = createBaseDashUserSettingsState_URLs();
     message.connectGoogle = object.connectGoogle ?? "";
@@ -348,9 +345,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/grpc-web-no-streaming/example.ts b/integration/grpc-web-no-streaming/example.ts
index d055a5e0c..61c5a4722 100644
--- a/integration/grpc-web-no-streaming/example.ts
+++ b/integration/grpc-web-no-streaming/example.ts
@@ -133,9 +133,8 @@ export const DashFlash = {
   },
 
   create<I extends Exact<DeepPartial<DashFlash>, I>>(base?: I): DashFlash {
-    return DashFlash.fromPartial(base ?? {});
+    return DashFlash.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashFlash>, I>>(object: I): DashFlash {
     const message = createBaseDashFlash();
     message.msg = object.msg ?? "";
@@ -222,9 +221,8 @@ export const DashUserSettingsState = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(base?: I): DashUserSettingsState {
-    return DashUserSettingsState.fromPartial(base ?? {});
+    return DashUserSettingsState.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(object: I): DashUserSettingsState {
     const message = createBaseDashUserSettingsState();
     message.email = object.email ?? "";
@@ -300,9 +298,8 @@ export const DashUserSettingsState_URLs = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(base?: I): DashUserSettingsState_URLs {
-    return DashUserSettingsState_URLs.fromPartial(base ?? {});
+    return DashUserSettingsState_URLs.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(object: I): DashUserSettingsState_URLs {
     const message = createBaseDashUserSettingsState_URLs();
     message.connectGoogle = object.connectGoogle ?? "";
@@ -346,9 +343,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/grpc-web/example.ts b/integration/grpc-web/example.ts
index 49e312479..c12a43c3d 100644
--- a/integration/grpc-web/example.ts
+++ b/integration/grpc-web/example.ts
@@ -159,9 +159,8 @@ export const DashFlash = {
   },
 
   create<I extends Exact<DeepPartial<DashFlash>, I>>(base?: I): DashFlash {
-    return DashFlash.fromPartial(base ?? {});
+    return DashFlash.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashFlash>, I>>(object: I): DashFlash {
     const message = createBaseDashFlash();
     message.msg = object.msg ?? "";
@@ -248,9 +247,8 @@ export const DashUserSettingsState = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(base?: I): DashUserSettingsState {
-    return DashUserSettingsState.fromPartial(base ?? {});
+    return DashUserSettingsState.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState>, I>>(object: I): DashUserSettingsState {
     const message = createBaseDashUserSettingsState();
     message.email = object.email ?? "";
@@ -326,9 +324,8 @@ export const DashUserSettingsState_URLs = {
   },
 
   create<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(base?: I): DashUserSettingsState_URLs {
-    return DashUserSettingsState_URLs.fromPartial(base ?? {});
+    return DashUserSettingsState_URLs.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashUserSettingsState_URLs>, I>>(object: I): DashUserSettingsState_URLs {
     const message = createBaseDashUserSettingsState_URLs();
     message.connectGoogle = object.connectGoogle ?? "";
@@ -429,9 +426,8 @@ export const DashCred = {
   },
 
   create<I extends Exact<DeepPartial<DashCred>, I>>(base?: I): DashCred {
-    return DashCred.fromPartial(base ?? {});
+    return DashCred.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashCred>, I>>(object: I): DashCred {
     const message = createBaseDashCred();
     message.description = object.description ?? "";
@@ -506,9 +502,8 @@ export const DashAPICredsCreateReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsCreateReq>, I>>(base?: I): DashAPICredsCreateReq {
-    return DashAPICredsCreateReq.fromPartial(base ?? {});
+    return DashAPICredsCreateReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsCreateReq>, I>>(object: I): DashAPICredsCreateReq {
     const message = createBaseDashAPICredsCreateReq();
     message.description = object.description ?? "";
@@ -609,9 +604,8 @@ export const DashAPICredsUpdateReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsUpdateReq>, I>>(base?: I): DashAPICredsUpdateReq {
-    return DashAPICredsUpdateReq.fromPartial(base ?? {});
+    return DashAPICredsUpdateReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsUpdateReq>, I>>(object: I): DashAPICredsUpdateReq {
     const message = createBaseDashAPICredsUpdateReq();
     message.credSid = object.credSid ?? "";
@@ -686,9 +680,8 @@ export const DashAPICredsDeleteReq = {
   },
 
   create<I extends Exact<DeepPartial<DashAPICredsDeleteReq>, I>>(base?: I): DashAPICredsDeleteReq {
-    return DashAPICredsDeleteReq.fromPartial(base ?? {});
+    return DashAPICredsDeleteReq.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DashAPICredsDeleteReq>, I>>(object: I): DashAPICredsDeleteReq {
     const message = createBaseDashAPICredsDeleteReq();
     message.credSid = object.credSid ?? "";
@@ -732,9 +725,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/import-mapping/google/protobuf/timestamp.ts b/integration/import-mapping/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/import-mapping/google/protobuf/timestamp.ts
+++ b/integration/import-mapping/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/import-mapping/mapping.ts b/integration/import-mapping/mapping.ts
index 06fd3c94e..84775f10b 100644
--- a/integration/import-mapping/mapping.ts
+++ b/integration/import-mapping/mapping.ts
@@ -76,9 +76,8 @@ export const WithEmtpy = {
   },
 
   create<I extends Exact<DeepPartial<WithEmtpy>, I>>(base?: I): WithEmtpy {
-    return WithEmtpy.fromPartial(base ?? {});
+    return WithEmtpy.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithEmtpy>, I>>(object: I): WithEmtpy {
     const message = createBaseWithEmtpy();
     message.empty = (object.empty !== undefined && object.empty !== null) ? Empty.fromPartial(object.empty) : undefined;
@@ -134,9 +133,8 @@ export const WithStruct = {
   },
 
   create<I extends Exact<DeepPartial<WithStruct>, I>>(base?: I): WithStruct {
-    return WithStruct.fromPartial(base ?? {});
+    return WithStruct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithStruct>, I>>(object: I): WithStruct {
     const message = createBaseWithStruct();
     message.strut = object.strut ?? undefined;
@@ -192,9 +190,8 @@ export const WithTimestamp = {
   },
 
   create<I extends Exact<DeepPartial<WithTimestamp>, I>>(base?: I): WithTimestamp {
-    return WithTimestamp.fromPartial(base ?? {});
+    return WithTimestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithTimestamp>, I>>(object: I): WithTimestamp {
     const message = createBaseWithTimestamp();
     message.timestamp = object.timestamp ?? undefined;
@@ -308,9 +305,8 @@ export const WithAll = {
   },
 
   create<I extends Exact<DeepPartial<WithAll>, I>>(base?: I): WithAll {
-    return WithAll.fromPartial(base ?? {});
+    return WithAll.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithAll>, I>>(object: I): WithAll {
     const message = createBaseWithAll();
     message.empty = (object.empty !== undefined && object.empty !== null) ? Empty.fromPartial(object.empty) : undefined;
diff --git a/integration/import-suffix/child.pb.ts b/integration/import-suffix/child.pb.ts
index 95c76a35c..8e07ba1b1 100644
--- a/integration/import-suffix/child.pb.ts
+++ b/integration/import-suffix/child.pb.ts
@@ -88,9 +88,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = createBaseChild();
     message.name = object.name ?? "";
diff --git a/integration/import-suffix/google/protobuf/timestamp.pb.ts b/integration/import-suffix/google/protobuf/timestamp.pb.ts
index de977dc2b..7d2f9170d 100644
--- a/integration/import-suffix/google/protobuf/timestamp.pb.ts
+++ b/integration/import-suffix/google/protobuf/timestamp.pb.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/import-suffix/parent.pb.ts b/integration/import-suffix/parent.pb.ts
index 0cd242d71..9fef51576 100644
--- a/integration/import-suffix/parent.pb.ts
+++ b/integration/import-suffix/parent.pb.ts
@@ -89,9 +89,8 @@ export const Parent = {
   },
 
   create<I extends Exact<DeepPartial<Parent>, I>>(base?: I): Parent {
-    return Parent.fromPartial(base ?? {});
+    return Parent.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Parent>, I>>(object: I): Parent {
     const message = createBaseParent();
     message.child = (object.child !== undefined && object.child !== null) ? Child.fromPartial(object.child) : undefined;
diff --git a/integration/lower-case-svc-methods/math.ts b/integration/lower-case-svc-methods/math.ts
index 8bb700a08..6d7ea8a01 100644
--- a/integration/lower-case-svc-methods/math.ts
+++ b/integration/lower-case-svc-methods/math.ts
@@ -79,9 +79,8 @@ export const NumPair = {
   },
 
   create<I extends Exact<DeepPartial<NumPair>, I>>(base?: I): NumPair {
-    return NumPair.fromPartial(base ?? {});
+    return NumPair.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<NumPair>, I>>(object: I): NumPair {
     const message = createBaseNumPair();
     message.num1 = object.num1 ?? 0;
@@ -138,9 +137,8 @@ export const NumSingle = {
   },
 
   create<I extends Exact<DeepPartial<NumSingle>, I>>(base?: I): NumSingle {
-    return NumSingle.fromPartial(base ?? {});
+    return NumSingle.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<NumSingle>, I>>(object: I): NumSingle {
     const message = createBaseNumSingle();
     message.num = object.num ?? 0;
@@ -208,9 +206,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.num = object.num?.map((e) => e) || [];
diff --git a/integration/map-bigint-optional/test.ts b/integration/map-bigint-optional/test.ts
index e2edeac10..19f092464 100644
--- a/integration/map-bigint-optional/test.ts
+++ b/integration/map-bigint-optional/test.ts
@@ -106,9 +106,8 @@ export const MapBigInt = {
   },
 
   create<I extends Exact<DeepPartial<MapBigInt>, I>>(base?: I): MapBigInt {
-    return MapBigInt.fromPartial(base ?? {});
+    return MapBigInt.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<MapBigInt>, I>>(object: I): MapBigInt {
     const message = createBaseMapBigInt();
     message.map = (object.map === undefined || object.map === null) ? undefined : (() => {
@@ -215,9 +214,8 @@ export const MapBigInt_MapEntry = {
   },
 
   create<I extends Exact<DeepPartial<MapBigInt_MapEntry>, I>>(base?: I): MapBigInt_MapEntry {
-    return MapBigInt_MapEntry.fromPartial(base ?? {});
+    return MapBigInt_MapEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<MapBigInt_MapEntry>, I>>(object: I): MapBigInt_MapEntry {
     const message = createBaseMapBigInt_MapEntry();
     message.key = object.key ?? BigInt("0");
diff --git a/integration/map-long-optional/test.ts b/integration/map-long-optional/test.ts
index ac947f4af..5f8f46124 100644
--- a/integration/map-long-optional/test.ts
+++ b/integration/map-long-optional/test.ts
@@ -106,9 +106,8 @@ export const MapBigInt = {
   },
 
   create<I extends Exact<DeepPartial<MapBigInt>, I>>(base?: I): MapBigInt {
-    return MapBigInt.fromPartial(base ?? {});
+    return MapBigInt.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<MapBigInt>, I>>(object: I): MapBigInt {
     const message = createBaseMapBigInt();
     message.map = (object.map === undefined || object.map === null) ? undefined : (() => {
@@ -215,9 +214,8 @@ export const MapBigInt_MapEntry = {
   },
 
   create<I extends Exact<DeepPartial<MapBigInt_MapEntry>, I>>(base?: I): MapBigInt_MapEntry {
-    return MapBigInt_MapEntry.fromPartial(base ?? {});
+    return MapBigInt_MapEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<MapBigInt_MapEntry>, I>>(object: I): MapBigInt_MapEntry {
     const message = createBaseMapBigInt_MapEntry();
     message.key = (object.key !== undefined && object.key !== null) ? Long.fromValue(object.key) : Long.UZERO;
diff --git a/integration/map-longstring-optional/test.ts b/integration/map-longstring-optional/test.ts
index e5fccb66c..0710cf04d 100644
--- a/integration/map-longstring-optional/test.ts
+++ b/integration/map-longstring-optional/test.ts
@@ -106,9 +106,8 @@ export const MapBigInt = {
   },
 
   create<I extends Exact<DeepPartial<MapBigInt>, I>>(base?: I): MapBigInt {
-    return MapBigInt.fromPartial(base ?? {});
+    return MapBigInt.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<MapBigInt>, I>>(object: I): MapBigInt {
     const message = createBaseMapBigInt();
     message.map = (object.map === undefined || object.map === null) ? undefined : (() => {
@@ -215,9 +214,8 @@ export const MapBigInt_MapEntry = {
   },
 
   create<I extends Exact<DeepPartial<MapBigInt_MapEntry>, I>>(base?: I): MapBigInt_MapEntry {
-    return MapBigInt_MapEntry.fromPartial(base ?? {});
+    return MapBigInt_MapEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<MapBigInt_MapEntry>, I>>(object: I): MapBigInt_MapEntry {
     const message = createBaseMapBigInt_MapEntry();
     message.key = object.key ?? "0";
diff --git a/integration/nice-grpc/google/protobuf/empty.ts b/integration/nice-grpc/google/protobuf/empty.ts
index 89e044465..15f57b3c9 100644
--- a/integration/nice-grpc/google/protobuf/empty.ts
+++ b/integration/nice-grpc/google/protobuf/empty.ts
@@ -54,7 +54,6 @@ export const Empty = {
   create(base?: DeepPartial<Empty>): Empty {
     return Empty.fromPartial(base ?? {});
   },
-
   fromPartial(_: DeepPartial<Empty>): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/nice-grpc/google/protobuf/struct.ts b/integration/nice-grpc/google/protobuf/struct.ts
index 1aa09a906..ec6e0fc6c 100644
--- a/integration/nice-grpc/google/protobuf/struct.ts
+++ b/integration/nice-grpc/google/protobuf/struct.ts
@@ -168,7 +168,6 @@ export const Struct = {
   create(base?: DeepPartial<Struct>): Struct {
     return Struct.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<Struct>): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -267,7 +266,6 @@ export const Struct_FieldsEntry = {
   create(base?: DeepPartial<Struct_FieldsEntry>): Struct_FieldsEntry {
     return Struct_FieldsEntry.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<Struct_FieldsEntry>): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -405,7 +403,6 @@ export const Value = {
   create(base?: DeepPartial<Value>): Value {
     return Value.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<Value>): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -505,7 +502,6 @@ export const ListValue = {
   create(base?: DeepPartial<ListValue>): ListValue {
     return ListValue.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<ListValue>): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/nice-grpc/google/protobuf/timestamp.ts b/integration/nice-grpc/google/protobuf/timestamp.ts
index a4b4415ac..bb9e014d2 100644
--- a/integration/nice-grpc/google/protobuf/timestamp.ts
+++ b/integration/nice-grpc/google/protobuf/timestamp.ts
@@ -177,7 +177,6 @@ export const Timestamp = {
   create(base?: DeepPartial<Timestamp>): Timestamp {
     return Timestamp.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<Timestamp>): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/nice-grpc/google/protobuf/wrappers.ts b/integration/nice-grpc/google/protobuf/wrappers.ts
index aabe92a94..4cffaaa4e 100644
--- a/integration/nice-grpc/google/protobuf/wrappers.ts
+++ b/integration/nice-grpc/google/protobuf/wrappers.ts
@@ -144,7 +144,6 @@ export const DoubleValue = {
   create(base?: DeepPartial<DoubleValue>): DoubleValue {
     return DoubleValue.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<DoubleValue>): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -202,7 +201,6 @@ export const FloatValue = {
   create(base?: DeepPartial<FloatValue>): FloatValue {
     return FloatValue.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<FloatValue>): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -260,7 +258,6 @@ export const Int64Value = {
   create(base?: DeepPartial<Int64Value>): Int64Value {
     return Int64Value.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<Int64Value>): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -318,7 +315,6 @@ export const UInt64Value = {
   create(base?: DeepPartial<UInt64Value>): UInt64Value {
     return UInt64Value.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<UInt64Value>): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -376,7 +372,6 @@ export const Int32Value = {
   create(base?: DeepPartial<Int32Value>): Int32Value {
     return Int32Value.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<Int32Value>): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -434,7 +429,6 @@ export const UInt32Value = {
   create(base?: DeepPartial<UInt32Value>): UInt32Value {
     return UInt32Value.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<UInt32Value>): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -492,7 +486,6 @@ export const BoolValue = {
   create(base?: DeepPartial<BoolValue>): BoolValue {
     return BoolValue.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<BoolValue>): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -550,7 +543,6 @@ export const StringValue = {
   create(base?: DeepPartial<StringValue>): StringValue {
     return StringValue.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<StringValue>): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -608,7 +600,6 @@ export const BytesValue = {
   create(base?: DeepPartial<BytesValue>): BytesValue {
     return BytesValue.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<BytesValue>): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/nice-grpc/simple.ts b/integration/nice-grpc/simple.ts
index 109f33346..ae1ec03c1 100644
--- a/integration/nice-grpc/simple.ts
+++ b/integration/nice-grpc/simple.ts
@@ -72,7 +72,6 @@ export const TestMessage = {
   create(base?: DeepPartial<TestMessage>): TestMessage {
     return TestMessage.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<TestMessage>): TestMessage {
     const message = createBaseTestMessage();
     message.timestamp = object.timestamp ?? undefined;
diff --git a/integration/no-proto-package/no-proto-package.ts b/integration/no-proto-package/no-proto-package.ts
index 6eeed4715..06c3a3251 100644
--- a/integration/no-proto-package/no-proto-package.ts
+++ b/integration/no-proto-package/no-proto-package.ts
@@ -60,9 +60,8 @@ export const User = {
   },
 
   create<I extends Exact<DeepPartial<User>, I>>(base?: I): User {
-    return User.fromPartial(base ?? {});
+    return User.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<User>, I>>(object: I): User {
     const message = createBaseUser();
     message.name = object.name ?? "";
@@ -105,9 +104,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/omit-optionals/simple.ts b/integration/omit-optionals/simple.ts
index 738aa496f..038972b4c 100644
--- a/integration/omit-optionals/simple.ts
+++ b/integration/omit-optionals/simple.ts
@@ -72,9 +72,8 @@ export const TestMessage = {
   },
 
   create<I extends Exact<DeepPartial<TestMessage>, I>>(base?: I): TestMessage {
-    return TestMessage.fromPartial(base ?? {});
+    return TestMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<TestMessage>, I>>(object: I): TestMessage {
     const message = createBaseTestMessage();
     message.field1 = object.field1 ?? false;
diff --git a/integration/oneof-properties/oneof.ts b/integration/oneof-properties/oneof.ts
index 4e844786c..4764d3fa4 100644
--- a/integration/oneof-properties/oneof.ts
+++ b/integration/oneof-properties/oneof.ts
@@ -278,9 +278,8 @@ export const PleaseChoose = {
   },
 
   create<I extends Exact<DeepPartial<PleaseChoose>, I>>(base?: I): PleaseChoose {
-    return PleaseChoose.fromPartial(base ?? {});
+    return PleaseChoose.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PleaseChoose>, I>>(object: I): PleaseChoose {
     const message = createBasePleaseChoose();
     message.name = object.name ?? "";
@@ -348,9 +347,8 @@ export const PleaseChoose_Submessage = {
   },
 
   create<I extends Exact<DeepPartial<PleaseChoose_Submessage>, I>>(base?: I): PleaseChoose_Submessage {
-    return PleaseChoose_Submessage.fromPartial(base ?? {});
+    return PleaseChoose_Submessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PleaseChoose_Submessage>, I>>(object: I): PleaseChoose_Submessage {
     const message = createBasePleaseChoose_Submessage();
     message.name = object.name ?? "";
diff --git a/integration/oneof-unions-snake/google/protobuf/struct.ts b/integration/oneof-unions-snake/google/protobuf/struct.ts
index f21e1fa8b..a7b40be14 100644
--- a/integration/oneof-unions-snake/google/protobuf/struct.ts
+++ b/integration/oneof-unions-snake/google/protobuf/struct.ts
@@ -152,9 +152,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -251,9 +250,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -394,9 +392,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     if (
@@ -525,9 +522,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/oneof-unions-snake/simple.ts b/integration/oneof-unions-snake/simple.ts
index 68d930e95..ee106ecbe 100644
--- a/integration/oneof-unions-snake/simple.ts
+++ b/integration/oneof-unions-snake/simple.ts
@@ -61,9 +61,8 @@ export const SimpleStruct = {
   },
 
   create<I extends Exact<DeepPartial<SimpleStruct>, I>>(base?: I): SimpleStruct {
-    return SimpleStruct.fromPartial(base ?? {});
+    return SimpleStruct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleStruct>, I>>(object: I): SimpleStruct {
     const message = createBaseSimpleStruct();
     message.simple_struct = object.simple_struct ?? undefined;
diff --git a/integration/oneof-unions/google/protobuf/struct.ts b/integration/oneof-unions/google/protobuf/struct.ts
index 5c0628529..b1f613072 100644
--- a/integration/oneof-unions/google/protobuf/struct.ts
+++ b/integration/oneof-unions/google/protobuf/struct.ts
@@ -152,9 +152,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -251,9 +250,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -391,9 +389,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     if (object.kind?.$case === "nullValue" && object.kind?.nullValue !== undefined && object.kind?.nullValue !== null) {
@@ -516,9 +513,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/oneof-unions/oneof.ts b/integration/oneof-unions/oneof.ts
index e377b010a..dc6f0da10 100644
--- a/integration/oneof-unions/oneof.ts
+++ b/integration/oneof-unions/oneof.ts
@@ -305,9 +305,8 @@ export const PleaseChoose = {
   },
 
   create<I extends Exact<DeepPartial<PleaseChoose>, I>>(base?: I): PleaseChoose {
-    return PleaseChoose.fromPartial(base ?? {});
+    return PleaseChoose.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PleaseChoose>, I>>(object: I): PleaseChoose {
     const message = createBasePleaseChoose();
     message.name = object.name ?? "";
@@ -405,9 +404,8 @@ export const PleaseChoose_Submessage = {
   },
 
   create<I extends Exact<DeepPartial<PleaseChoose_Submessage>, I>>(base?: I): PleaseChoose_Submessage {
-    return PleaseChoose_Submessage.fromPartial(base ?? {});
+    return PleaseChoose_Submessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PleaseChoose_Submessage>, I>>(object: I): PleaseChoose_Submessage {
     const message = createBasePleaseChoose_Submessage();
     message.name = object.name ?? "";
@@ -479,9 +477,8 @@ export const SimpleButOptional = {
   },
 
   create<I extends Exact<DeepPartial<SimpleButOptional>, I>>(base?: I): SimpleButOptional {
-    return SimpleButOptional.fromPartial(base ?? {});
+    return SimpleButOptional.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleButOptional>, I>>(object: I): SimpleButOptional {
     const message = createBaseSimpleButOptional();
     message.name = object.name ?? undefined;
diff --git a/integration/output-index/a.ts b/integration/output-index/a.ts
index 05b9a11b9..a6cabe256 100644
--- a/integration/output-index/a.ts
+++ b/integration/output-index/a.ts
@@ -53,9 +53,8 @@ export const A = {
   },
 
   create<I extends Exact<DeepPartial<A>, I>>(base?: I): A {
-    return A.fromPartial(base ?? {});
+    return A.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<A>, I>>(object: I): A {
     const message = createBaseA();
     message.a = object.a ?? "";
diff --git a/integration/point/point.ts b/integration/point/point.ts
index b98c2845d..718fffd7b 100644
--- a/integration/point/point.ts
+++ b/integration/point/point.ts
@@ -74,9 +74,8 @@ export const Point = {
   },
 
   create<I extends Exact<DeepPartial<Point>, I>>(base?: I): Point {
-    return Point.fromPartial(base ?? {});
+    return Point.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Point>, I>>(object: I): Point {
     const message = createBasePoint();
     message.lat = object.lat ?? 0;
@@ -149,9 +148,8 @@ export const Area = {
   },
 
   create<I extends Exact<DeepPartial<Area>, I>>(base?: I): Area {
-    return Area.fromPartial(base ?? {});
+    return Area.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Area>, I>>(object: I): Area {
     const message = createBaseArea();
     message.nw = (object.nw !== undefined && object.nw !== null) ? Point.fromPartial(object.nw) : undefined;
diff --git a/integration/reserved-words/reserved-words.ts b/integration/reserved-words/reserved-words.ts
index c8e70e8fe..169fcc963 100644
--- a/integration/reserved-words/reserved-words.ts
+++ b/integration/reserved-words/reserved-words.ts
@@ -41,9 +41,8 @@ export const Record = {
   },
 
   create<I extends Exact<DeepPartial<Record>, I>>(base?: I): Record {
-    return Record.fromPartial(base ?? {});
+    return Record.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Record>, I>>(_: I): Record {
     const message = createBaseRecord();
     return message;
diff --git a/integration/return-observable/observable.ts b/integration/return-observable/observable.ts
index 1d9048445..df4e45875 100644
--- a/integration/return-observable/observable.ts
+++ b/integration/return-observable/observable.ts
@@ -60,9 +60,8 @@ export const ProduceRequest = {
   },
 
   create<I extends Exact<DeepPartial<ProduceRequest>, I>>(base?: I): ProduceRequest {
-    return ProduceRequest.fromPartial(base ?? {});
+    return ProduceRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ProduceRequest>, I>>(object: I): ProduceRequest {
     const message = createBaseProduceRequest();
     message.ingredients = object.ingredients ?? "";
@@ -118,9 +117,8 @@ export const ProduceReply = {
   },
 
   create<I extends Exact<DeepPartial<ProduceReply>, I>>(base?: I): ProduceReply {
-    return ProduceReply.fromPartial(base ?? {});
+    return ProduceReply.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ProduceReply>, I>>(object: I): ProduceReply {
     const message = createBaseProduceReply();
     message.result = object.result ?? "";
diff --git a/integration/simple-deprecated-fields/simple.ts b/integration/simple-deprecated-fields/simple.ts
index f9a7fb45b..30248068f 100644
--- a/integration/simple-deprecated-fields/simple.ts
+++ b/integration/simple-deprecated-fields/simple.ts
@@ -139,9 +139,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -201,9 +200,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = createBaseChild();
     message.name = object.name ?? "";
diff --git a/integration/simple-esmodule-interop/simple.ts b/integration/simple-esmodule-interop/simple.ts
index 797fea600..e555cb95e 100644
--- a/integration/simple-esmodule-interop/simple.ts
+++ b/integration/simple-esmodule-interop/simple.ts
@@ -85,9 +85,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -313,9 +312,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
diff --git a/integration/simple-json-name/google/protobuf/timestamp.ts b/integration/simple-json-name/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/simple-json-name/google/protobuf/timestamp.ts
+++ b/integration/simple-json-name/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/simple-json-name/simple.ts b/integration/simple-json-name/simple.ts
index 37f2a3705..7eb951423 100644
--- a/integration/simple-json-name/simple.ts
+++ b/integration/simple-json-name/simple.ts
@@ -172,9 +172,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
diff --git a/integration/simple-long-bigint/google/protobuf/timestamp.ts b/integration/simple-long-bigint/google/protobuf/timestamp.ts
index dbc000c51..6fbfc8858 100644
--- a/integration/simple-long-bigint/google/protobuf/timestamp.ts
+++ b/integration/simple-long-bigint/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? BigInt("0");
diff --git a/integration/simple-long-bigint/google/protobuf/wrappers.ts b/integration/simple-long-bigint/google/protobuf/wrappers.ts
index 6f5ad2a6a..b0dbbcf8c 100644
--- a/integration/simple-long-bigint/google/protobuf/wrappers.ts
+++ b/integration/simple-long-bigint/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? BigInt("0");
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? BigInt("0");
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple-long-bigint/simple.ts b/integration/simple-long-bigint/simple.ts
index d773deb76..2a75ff903 100644
--- a/integration/simple-long-bigint/simple.ts
+++ b/integration/simple-long-bigint/simple.ts
@@ -298,9 +298,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
diff --git a/integration/simple-long-string/google/protobuf/timestamp.ts b/integration/simple-long-string/google/protobuf/timestamp.ts
index 7785db1cd..261126610 100644
--- a/integration/simple-long-string/google/protobuf/timestamp.ts
+++ b/integration/simple-long-string/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? "0";
diff --git a/integration/simple-long-string/google/protobuf/wrappers.ts b/integration/simple-long-string/google/protobuf/wrappers.ts
index aa0588050..eb21b8a94 100644
--- a/integration/simple-long-string/google/protobuf/wrappers.ts
+++ b/integration/simple-long-string/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? "0";
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? "0";
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple-long-string/simple.ts b/integration/simple-long-string/simple.ts
index 1c9f48f3f..40b15d0f1 100644
--- a/integration/simple-long-string/simple.ts
+++ b/integration/simple-long-string/simple.ts
@@ -270,9 +270,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
diff --git a/integration/simple-long/google/protobuf/wrappers.ts b/integration/simple-long/google/protobuf/wrappers.ts
index f0fe7c61c..875de68bd 100644
--- a/integration/simple-long/google/protobuf/wrappers.ts
+++ b/integration/simple-long/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = (object.value !== undefined && object.value !== null) ? Long.fromValue(object.value) : Long.ZERO;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = (object.value !== undefined && object.value !== null) ? Long.fromValue(object.value) : Long.UZERO;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple-long/simple.ts b/integration/simple-long/simple.ts
index 73815f744..e48f71c54 100644
--- a/integration/simple-long/simple.ts
+++ b/integration/simple-long/simple.ts
@@ -173,9 +173,8 @@ export const SimpleWithWrappers = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(base?: I): SimpleWithWrappers {
-    return SimpleWithWrappers.fromPartial(base ?? {});
+    return SimpleWithWrappers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(object: I): SimpleWithWrappers {
     const message = createBaseSimpleWithWrappers();
     message.name = object.name ?? undefined;
@@ -310,9 +309,8 @@ export const SimpleWithMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap>, I>>(base?: I): SimpleWithMap {
-    return SimpleWithMap.fromPartial(base ?? {});
+    return SimpleWithMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap>, I>>(object: I): SimpleWithMap {
     const message = createBaseSimpleWithMap();
     message.nameLookup = Object.entries(object.nameLookup ?? {}).reduce<{ [key: string]: string }>(
@@ -407,9 +405,8 @@ export const SimpleWithMap_NameLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(base?: I): SimpleWithMap_NameLookupEntry {
-    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_NameLookupEntry {
@@ -481,9 +478,8 @@ export const SimpleWithMap_IntLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(base?: I): SimpleWithMap_IntLookupEntry {
-    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(object: I): SimpleWithMap_IntLookupEntry {
     const message = createBaseSimpleWithMap_IntLookupEntry();
     message.key = object.key ?? 0;
@@ -556,9 +552,8 @@ export const SimpleWithMap_LongLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_LongLookupEntry>, I>>(base?: I): SimpleWithMap_LongLookupEntry {
-    return SimpleWithMap_LongLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_LongLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_LongLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_LongLookupEntry {
@@ -813,9 +808,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
diff --git a/integration/simple-optionals/google/protobuf/timestamp.ts b/integration/simple-optionals/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/simple-optionals/google/protobuf/timestamp.ts
+++ b/integration/simple-optionals/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/simple-optionals/google/protobuf/wrappers.ts b/integration/simple-optionals/google/protobuf/wrappers.ts
index 6637762f8..47d1af1f6 100644
--- a/integration/simple-optionals/google/protobuf/wrappers.ts
+++ b/integration/simple-optionals/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple-optionals/import_dir/thing.ts b/integration/simple-optionals/import_dir/thing.ts
index dacd1b268..645df09b8 100644
--- a/integration/simple-optionals/import_dir/thing.ts
+++ b/integration/simple-optionals/import_dir/thing.ts
@@ -56,9 +56,8 @@ export const ImportedThing = {
   },
 
   create<I extends Exact<DeepPartial<ImportedThing>, I>>(base?: I): ImportedThing {
-    return ImportedThing.fromPartial(base ?? {});
+    return ImportedThing.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ImportedThing>, I>>(object: I): ImportedThing {
     const message = createBaseImportedThing();
     message.createdAt = object.createdAt ?? undefined;
diff --git a/integration/simple-optionals/simple.ts b/integration/simple-optionals/simple.ts
index dbc6a1ee4..b30261b05 100644
--- a/integration/simple-optionals/simple.ts
+++ b/integration/simple-optionals/simple.ts
@@ -451,9 +451,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -536,9 +535,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = createBaseChild();
     message.name = object.name ?? "";
@@ -625,9 +623,8 @@ export const Nested = {
   },
 
   create<I extends Exact<DeepPartial<Nested>, I>>(base?: I): Nested {
-    return Nested.fromPartial(base ?? {});
+    return Nested.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested>, I>>(object: I): Nested {
     const message = createBaseNested();
     message.name = object.name ?? "";
@@ -703,9 +700,8 @@ export const Nested_InnerMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(base?: I): Nested_InnerMessage {
-    return Nested_InnerMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(object: I): Nested_InnerMessage {
     const message = createBaseNested_InnerMessage();
     message.name = object.name ?? "";
@@ -764,9 +760,8 @@ export const Nested_InnerMessage_DeepMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(base?: I): Nested_InnerMessage_DeepMessage {
-    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(
     object: I,
   ): Nested_InnerMessage_DeepMessage {
@@ -840,9 +835,8 @@ export const OneOfMessage = {
   },
 
   create<I extends Exact<DeepPartial<OneOfMessage>, I>>(base?: I): OneOfMessage {
-    return OneOfMessage.fromPartial(base ?? {});
+    return OneOfMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OneOfMessage>, I>>(object: I): OneOfMessage {
     const message = createBaseOneOfMessage();
     message.first = object.first ?? undefined;
@@ -957,9 +951,8 @@ export const SimpleWithWrappers = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(base?: I): SimpleWithWrappers {
-    return SimpleWithWrappers.fromPartial(base ?? {});
+    return SimpleWithWrappers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(object: I): SimpleWithWrappers {
     const message = createBaseSimpleWithWrappers();
     message.name = object.name ?? undefined;
@@ -1019,9 +1012,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? 0;
@@ -1149,9 +1141,8 @@ export const SimpleWithMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap>, I>>(base?: I): SimpleWithMap {
-    return SimpleWithMap.fromPartial(base ?? {});
+    return SimpleWithMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap>, I>>(object: I): SimpleWithMap {
     const message = createBaseSimpleWithMap();
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1249,9 +1240,8 @@ export const SimpleWithMap_EntitiesByIdEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(base?: I): SimpleWithMap_EntitiesByIdEntry {
-    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithMap_EntitiesByIdEntry {
@@ -1325,9 +1315,8 @@ export const SimpleWithMap_NameLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(base?: I): SimpleWithMap_NameLookupEntry {
-    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_NameLookupEntry {
@@ -1399,9 +1388,8 @@ export const SimpleWithMap_IntLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(base?: I): SimpleWithMap_IntLookupEntry {
-    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(object: I): SimpleWithMap_IntLookupEntry {
     const message = createBaseSimpleWithMap_IntLookupEntry();
     message.key = object.key ?? 0;
@@ -1474,9 +1462,8 @@ export const SimpleWithSnakeCaseMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(base?: I): SimpleWithSnakeCaseMap {
-    return SimpleWithSnakeCaseMap.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(object: I): SimpleWithSnakeCaseMap {
     const message = createBaseSimpleWithSnakeCaseMap();
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1558,9 +1545,8 @@ export const SimpleWithSnakeCaseMap_EntitiesByIdEntry = {
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     base?: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
-    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
@@ -1621,9 +1607,8 @@ export const PingRequest = {
   },
 
   create<I extends Exact<DeepPartial<PingRequest>, I>>(base?: I): PingRequest {
-    return PingRequest.fromPartial(base ?? {});
+    return PingRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingRequest>, I>>(object: I): PingRequest {
     const message = createBasePingRequest();
     message.input = object.input ?? "";
@@ -1679,9 +1664,8 @@ export const PingResponse = {
   },
 
   create<I extends Exact<DeepPartial<PingResponse>, I>>(base?: I): PingResponse {
-    return PingResponse.fromPartial(base ?? {});
+    return PingResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingResponse>, I>>(object: I): PingResponse {
     const message = createBasePingResponse();
     message.output = object.output ?? "";
@@ -1906,9 +1890,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
diff --git a/integration/simple-optionals/thing.ts b/integration/simple-optionals/thing.ts
index f890da70b..25dd77fdd 100644
--- a/integration/simple-optionals/thing.ts
+++ b/integration/simple-optionals/thing.ts
@@ -56,9 +56,8 @@ export const ImportedThing = {
   },
 
   create<I extends Exact<DeepPartial<ImportedThing>, I>>(base?: I): ImportedThing {
-    return ImportedThing.fromPartial(base ?? {});
+    return ImportedThing.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ImportedThing>, I>>(object: I): ImportedThing {
     const message = createBaseImportedThing();
     message.createdAt = object.createdAt ?? undefined;
diff --git a/integration/simple-proto2/simple.ts b/integration/simple-proto2/simple.ts
index 1b086230d..7068e093e 100644
--- a/integration/simple-proto2/simple.ts
+++ b/integration/simple-proto2/simple.ts
@@ -88,9 +88,8 @@ export const Issue56 = {
   },
 
   create<I extends Exact<DeepPartial<Issue56>, I>>(base?: I): Issue56 {
-    return Issue56.fromPartial(base ?? {});
+    return Issue56.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Issue56>, I>>(object: I): Issue56 {
     const message = createBaseIssue56();
     message.test = object.test ?? 1;
diff --git a/integration/simple-prototype-defaults/google/protobuf/timestamp.ts b/integration/simple-prototype-defaults/google/protobuf/timestamp.ts
index c1279f5f9..5aaf79e75 100644
--- a/integration/simple-prototype-defaults/google/protobuf/timestamp.ts
+++ b/integration/simple-prototype-defaults/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = Object.create(createBaseTimestamp()) as Timestamp;
     message.seconds = object.seconds ?? 0;
diff --git a/integration/simple-prototype-defaults/google/protobuf/wrappers.ts b/integration/simple-prototype-defaults/google/protobuf/wrappers.ts
index b8a1a2f92..03f92a4fe 100644
--- a/integration/simple-prototype-defaults/google/protobuf/wrappers.ts
+++ b/integration/simple-prototype-defaults/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = Object.create(createBaseDoubleValue()) as DoubleValue;
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = Object.create(createBaseFloatValue()) as FloatValue;
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = Object.create(createBaseInt64Value()) as Int64Value;
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = Object.create(createBaseUInt64Value()) as UInt64Value;
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = Object.create(createBaseInt32Value()) as Int32Value;
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = Object.create(createBaseUInt32Value()) as UInt32Value;
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = Object.create(createBaseBoolValue()) as BoolValue;
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = Object.create(createBaseStringValue()) as StringValue;
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = Object.create(createBaseBytesValue()) as BytesValue;
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple-prototype-defaults/google/type/date.ts b/integration/simple-prototype-defaults/google/type/date.ts
index 2e042add8..b7b14eccc 100644
--- a/integration/simple-prototype-defaults/google/type/date.ts
+++ b/integration/simple-prototype-defaults/google/type/date.ts
@@ -112,9 +112,8 @@ export const DateMessage = {
   },
 
   create<I extends Exact<DeepPartial<DateMessage>, I>>(base?: I): DateMessage {
-    return DateMessage.fromPartial(base ?? {});
+    return DateMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DateMessage>, I>>(object: I): DateMessage {
     const message = Object.create(createBaseDateMessage()) as DateMessage;
     message.year = object.year ?? 0;
diff --git a/integration/simple-prototype-defaults/import_dir/thing.ts b/integration/simple-prototype-defaults/import_dir/thing.ts
index 9ae339e4a..7b91073dc 100644
--- a/integration/simple-prototype-defaults/import_dir/thing.ts
+++ b/integration/simple-prototype-defaults/import_dir/thing.ts
@@ -56,9 +56,8 @@ export const ImportedThing = {
   },
 
   create<I extends Exact<DeepPartial<ImportedThing>, I>>(base?: I): ImportedThing {
-    return ImportedThing.fromPartial(base ?? {});
+    return ImportedThing.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ImportedThing>, I>>(object: I): ImportedThing {
     const message = Object.create(createBaseImportedThing()) as ImportedThing;
     message.createdAt = object.createdAt ?? undefined;
diff --git a/integration/simple-prototype-defaults/simple.ts b/integration/simple-prototype-defaults/simple.ts
index fe9580023..c834bc216 100644
--- a/integration/simple-prototype-defaults/simple.ts
+++ b/integration/simple-prototype-defaults/simple.ts
@@ -558,9 +558,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = Object.create(createBaseSimple()) as Simple;
     message.name = object.name ?? "";
@@ -648,9 +647,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = Object.create(createBaseChild()) as Child;
     message.name = object.name ?? "";
@@ -737,9 +735,8 @@ export const Nested = {
   },
 
   create<I extends Exact<DeepPartial<Nested>, I>>(base?: I): Nested {
-    return Nested.fromPartial(base ?? {});
+    return Nested.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested>, I>>(object: I): Nested {
     const message = Object.create(createBaseNested()) as Nested;
     message.name = object.name ?? "";
@@ -815,9 +812,8 @@ export const Nested_InnerMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(base?: I): Nested_InnerMessage {
-    return Nested_InnerMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(object: I): Nested_InnerMessage {
     const message = Object.create(createBaseNested_InnerMessage()) as Nested_InnerMessage;
     message.name = object.name ?? "";
@@ -876,9 +872,8 @@ export const Nested_InnerMessage_DeepMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(base?: I): Nested_InnerMessage_DeepMessage {
-    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(
     object: I,
   ): Nested_InnerMessage_DeepMessage {
@@ -952,9 +947,8 @@ export const OneOfMessage = {
   },
 
   create<I extends Exact<DeepPartial<OneOfMessage>, I>>(base?: I): OneOfMessage {
-    return OneOfMessage.fromPartial(base ?? {});
+    return OneOfMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OneOfMessage>, I>>(object: I): OneOfMessage {
     const message = Object.create(createBaseOneOfMessage()) as OneOfMessage;
     message.first = object.first ?? undefined;
@@ -1083,9 +1077,8 @@ export const SimpleWithWrappers = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(base?: I): SimpleWithWrappers {
-    return SimpleWithWrappers.fromPartial(base ?? {});
+    return SimpleWithWrappers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(object: I): SimpleWithWrappers {
     const message = Object.create(createBaseSimpleWithWrappers()) as SimpleWithWrappers;
     message.name = object.name ?? undefined;
@@ -1146,9 +1139,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = Object.create(createBaseEntity()) as Entity;
     message.id = object.id ?? 0;
@@ -1401,9 +1393,8 @@ export const SimpleWithMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap>, I>>(base?: I): SimpleWithMap {
-    return SimpleWithMap.fromPartial(base ?? {});
+    return SimpleWithMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap>, I>>(object: I): SimpleWithMap {
     const message = Object.create(createBaseSimpleWithMap()) as SimpleWithMap;
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1536,9 +1527,8 @@ export const SimpleWithMap_EntitiesByIdEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(base?: I): SimpleWithMap_EntitiesByIdEntry {
-    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithMap_EntitiesByIdEntry {
@@ -1612,9 +1602,8 @@ export const SimpleWithMap_NameLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(base?: I): SimpleWithMap_NameLookupEntry {
-    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_NameLookupEntry {
@@ -1686,9 +1675,8 @@ export const SimpleWithMap_IntLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(base?: I): SimpleWithMap_IntLookupEntry {
-    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(object: I): SimpleWithMap_IntLookupEntry {
     const message = Object.create(createBaseSimpleWithMap_IntLookupEntry()) as SimpleWithMap_IntLookupEntry;
     message.key = object.key ?? 0;
@@ -1763,9 +1751,8 @@ export const SimpleWithMap_MapOfTimestampsEntry = {
   create<I extends Exact<DeepPartial<SimpleWithMap_MapOfTimestampsEntry>, I>>(
     base?: I,
   ): SimpleWithMap_MapOfTimestampsEntry {
-    return SimpleWithMap_MapOfTimestampsEntry.fromPartial(base ?? {});
+    return SimpleWithMap_MapOfTimestampsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_MapOfTimestampsEntry>, I>>(
     object: I,
   ): SimpleWithMap_MapOfTimestampsEntry {
@@ -1840,9 +1827,8 @@ export const SimpleWithMap_MapOfBytesEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_MapOfBytesEntry>, I>>(base?: I): SimpleWithMap_MapOfBytesEntry {
-    return SimpleWithMap_MapOfBytesEntry.fromPartial(base ?? {});
+    return SimpleWithMap_MapOfBytesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_MapOfBytesEntry>, I>>(
     object: I,
   ): SimpleWithMap_MapOfBytesEntry {
@@ -1921,9 +1907,8 @@ export const SimpleWithMap_MapOfStringValuesEntry = {
   create<I extends Exact<DeepPartial<SimpleWithMap_MapOfStringValuesEntry>, I>>(
     base?: I,
   ): SimpleWithMap_MapOfStringValuesEntry {
-    return SimpleWithMap_MapOfStringValuesEntry.fromPartial(base ?? {});
+    return SimpleWithMap_MapOfStringValuesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_MapOfStringValuesEntry>, I>>(
     object: I,
   ): SimpleWithMap_MapOfStringValuesEntry {
@@ -1997,9 +1982,8 @@ export const SimpleWithMap_LongLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_LongLookupEntry>, I>>(base?: I): SimpleWithMap_LongLookupEntry {
-    return SimpleWithMap_LongLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_LongLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_LongLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_LongLookupEntry {
@@ -2074,9 +2058,8 @@ export const SimpleWithSnakeCaseMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(base?: I): SimpleWithSnakeCaseMap {
-    return SimpleWithSnakeCaseMap.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(object: I): SimpleWithSnakeCaseMap {
     const message = Object.create(createBaseSimpleWithSnakeCaseMap()) as SimpleWithSnakeCaseMap;
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -2160,9 +2143,8 @@ export const SimpleWithSnakeCaseMap_EntitiesByIdEntry = {
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     base?: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
-    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
@@ -2241,9 +2223,8 @@ export const SimpleWithMapOfEnums = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMapOfEnums>, I>>(base?: I): SimpleWithMapOfEnums {
-    return SimpleWithMapOfEnums.fromPartial(base ?? {});
+    return SimpleWithMapOfEnums.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMapOfEnums>, I>>(object: I): SimpleWithMapOfEnums {
     const message = Object.create(createBaseSimpleWithMapOfEnums()) as SimpleWithMapOfEnums;
     message.enumsById = Object.entries(object.enumsById ?? {}).reduce<{ [key: number]: StateEnum }>(
@@ -2327,9 +2308,8 @@ export const SimpleWithMapOfEnums_EnumsByIdEntry = {
   create<I extends Exact<DeepPartial<SimpleWithMapOfEnums_EnumsByIdEntry>, I>>(
     base?: I,
   ): SimpleWithMapOfEnums_EnumsByIdEntry {
-    return SimpleWithMapOfEnums_EnumsByIdEntry.fromPartial(base ?? {});
+    return SimpleWithMapOfEnums_EnumsByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMapOfEnums_EnumsByIdEntry>, I>>(
     object: I,
   ): SimpleWithMapOfEnums_EnumsByIdEntry {
@@ -2390,9 +2370,8 @@ export const PingRequest = {
   },
 
   create<I extends Exact<DeepPartial<PingRequest>, I>>(base?: I): PingRequest {
-    return PingRequest.fromPartial(base ?? {});
+    return PingRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingRequest>, I>>(object: I): PingRequest {
     const message = Object.create(createBasePingRequest()) as PingRequest;
     message.input = object.input ?? "";
@@ -2448,9 +2427,8 @@ export const PingResponse = {
   },
 
   create<I extends Exact<DeepPartial<PingResponse>, I>>(base?: I): PingResponse {
-    return PingResponse.fromPartial(base ?? {});
+    return PingResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingResponse>, I>>(object: I): PingResponse {
     const message = Object.create(createBasePingResponse()) as PingResponse;
     message.output = object.output ?? "";
@@ -2675,9 +2653,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = Object.create(createBaseNumbers()) as Numbers;
     message.double = object.double ?? 0;
@@ -2838,9 +2815,8 @@ export const SimpleButOptional = {
   },
 
   create<I extends Exact<DeepPartial<SimpleButOptional>, I>>(base?: I): SimpleButOptional {
-    return SimpleButOptional.fromPartial(base ?? {});
+    return SimpleButOptional.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleButOptional>, I>>(object: I): SimpleButOptional {
     const message = Object.create(createBaseSimpleButOptional()) as SimpleButOptional;
     message.name = object.name ?? undefined;
@@ -2893,9 +2869,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = Object.create(createBaseEmpty()) as Empty;
     return message;
diff --git a/integration/simple-snake/google/protobuf/struct.ts b/integration/simple-snake/google/protobuf/struct.ts
index cf5700cc5..aac735d0d 100644
--- a/integration/simple-snake/google/protobuf/struct.ts
+++ b/integration/simple-snake/google/protobuf/struct.ts
@@ -166,9 +166,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -265,9 +264,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -403,9 +401,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.null_value = object.null_value ?? undefined;
@@ -503,9 +500,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/simple-snake/google/protobuf/timestamp.ts b/integration/simple-snake/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/simple-snake/google/protobuf/timestamp.ts
+++ b/integration/simple-snake/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/simple-snake/google/protobuf/wrappers.ts b/integration/simple-snake/google/protobuf/wrappers.ts
index 6637762f8..47d1af1f6 100644
--- a/integration/simple-snake/google/protobuf/wrappers.ts
+++ b/integration/simple-snake/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple-snake/import_dir/thing.ts b/integration/simple-snake/import_dir/thing.ts
index ea62d88a7..bc7abd064 100644
--- a/integration/simple-snake/import_dir/thing.ts
+++ b/integration/simple-snake/import_dir/thing.ts
@@ -56,9 +56,8 @@ export const ImportedThing = {
   },
 
   create<I extends Exact<DeepPartial<ImportedThing>, I>>(base?: I): ImportedThing {
-    return ImportedThing.fromPartial(base ?? {});
+    return ImportedThing.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ImportedThing>, I>>(object: I): ImportedThing {
     const message = createBaseImportedThing();
     message.created_at = object.created_at ?? undefined;
diff --git a/integration/simple-snake/simple.ts b/integration/simple-snake/simple.ts
index 6c2d143ee..d0b2088b0 100644
--- a/integration/simple-snake/simple.ts
+++ b/integration/simple-snake/simple.ts
@@ -456,9 +456,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -541,9 +540,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = createBaseChild();
     message.name = object.name ?? "";
@@ -630,9 +628,8 @@ export const Nested = {
   },
 
   create<I extends Exact<DeepPartial<Nested>, I>>(base?: I): Nested {
-    return Nested.fromPartial(base ?? {});
+    return Nested.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested>, I>>(object: I): Nested {
     const message = createBaseNested();
     message.name = object.name ?? "";
@@ -708,9 +705,8 @@ export const Nested_InnerMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(base?: I): Nested_InnerMessage {
-    return Nested_InnerMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(object: I): Nested_InnerMessage {
     const message = createBaseNested_InnerMessage();
     message.name = object.name ?? "";
@@ -769,9 +765,8 @@ export const Nested_InnerMessage_DeepMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(base?: I): Nested_InnerMessage_DeepMessage {
-    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(
     object: I,
   ): Nested_InnerMessage_DeepMessage {
@@ -845,9 +840,8 @@ export const OneOfMessage = {
   },
 
   create<I extends Exact<DeepPartial<OneOfMessage>, I>>(base?: I): OneOfMessage {
-    return OneOfMessage.fromPartial(base ?? {});
+    return OneOfMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OneOfMessage>, I>>(object: I): OneOfMessage {
     const message = createBaseOneOfMessage();
     message.first = object.first ?? undefined;
@@ -962,9 +956,8 @@ export const SimpleWithWrappers = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(base?: I): SimpleWithWrappers {
-    return SimpleWithWrappers.fromPartial(base ?? {});
+    return SimpleWithWrappers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(object: I): SimpleWithWrappers {
     const message = createBaseSimpleWithWrappers();
     message.name = object.name ?? undefined;
@@ -1024,9 +1017,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? 0;
@@ -1154,9 +1146,8 @@ export const SimpleWithMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap>, I>>(base?: I): SimpleWithMap {
-    return SimpleWithMap.fromPartial(base ?? {});
+    return SimpleWithMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap>, I>>(object: I): SimpleWithMap {
     const message = createBaseSimpleWithMap();
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1254,9 +1245,8 @@ export const SimpleWithMap_EntitiesByIdEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(base?: I): SimpleWithMap_EntitiesByIdEntry {
-    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithMap_EntitiesByIdEntry {
@@ -1330,9 +1320,8 @@ export const SimpleWithMap_NameLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(base?: I): SimpleWithMap_NameLookupEntry {
-    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_NameLookupEntry {
@@ -1404,9 +1393,8 @@ export const SimpleWithMap_IntLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(base?: I): SimpleWithMap_IntLookupEntry {
-    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(object: I): SimpleWithMap_IntLookupEntry {
     const message = createBaseSimpleWithMap_IntLookupEntry();
     message.key = object.key ?? 0;
@@ -1479,9 +1467,8 @@ export const SimpleWithSnakeCaseMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(base?: I): SimpleWithSnakeCaseMap {
-    return SimpleWithSnakeCaseMap.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(object: I): SimpleWithSnakeCaseMap {
     const message = createBaseSimpleWithSnakeCaseMap();
     message.entities_by_id = Object.entries(object.entities_by_id ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1563,9 +1550,8 @@ export const SimpleWithSnakeCaseMap_EntitiesByIdEntry = {
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     base?: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
-    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
@@ -1626,9 +1612,8 @@ export const PingRequest = {
   },
 
   create<I extends Exact<DeepPartial<PingRequest>, I>>(base?: I): PingRequest {
-    return PingRequest.fromPartial(base ?? {});
+    return PingRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingRequest>, I>>(object: I): PingRequest {
     const message = createBasePingRequest();
     message.input = object.input ?? "";
@@ -1684,9 +1669,8 @@ export const PingResponse = {
   },
 
   create<I extends Exact<DeepPartial<PingResponse>, I>>(base?: I): PingResponse {
-    return PingResponse.fromPartial(base ?? {});
+    return PingResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingResponse>, I>>(object: I): PingResponse {
     const message = createBasePingResponse();
     message.output = object.output ?? "";
@@ -1911,9 +1895,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
@@ -1980,9 +1963,8 @@ export const SimpleStruct = {
   },
 
   create<I extends Exact<DeepPartial<SimpleStruct>, I>>(base?: I): SimpleStruct {
-    return SimpleStruct.fromPartial(base ?? {});
+    return SimpleStruct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleStruct>, I>>(object: I): SimpleStruct {
     const message = createBaseSimpleStruct();
     message.simple_struct = object.simple_struct ?? undefined;
diff --git a/integration/simple-string-enums/google/protobuf/struct.ts b/integration/simple-string-enums/google/protobuf/struct.ts
index c0bd44e2d..ff6efe0ff 100644
--- a/integration/simple-string-enums/google/protobuf/struct.ts
+++ b/integration/simple-string-enums/google/protobuf/struct.ts
@@ -176,9 +176,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -275,9 +274,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -413,9 +411,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -513,9 +510,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/simple-string-enums/simple.ts b/integration/simple-string-enums/simple.ts
index 05a4259c8..3221a6281 100644
--- a/integration/simple-string-enums/simple.ts
+++ b/integration/simple-string-enums/simple.ts
@@ -202,9 +202,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -288,9 +287,8 @@ export const Simple_StateMapEntry = {
   },
 
   create<I extends Exact<DeepPartial<Simple_StateMapEntry>, I>>(base?: I): Simple_StateMapEntry {
-    return Simple_StateMapEntry.fromPartial(base ?? {});
+    return Simple_StateMapEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple_StateMapEntry>, I>>(object: I): Simple_StateMapEntry {
     const message = createBaseSimple_StateMapEntry();
     message.key = object.key ?? "";
diff --git a/integration/simple-unrecognized-enum/google/protobuf/timestamp.ts b/integration/simple-unrecognized-enum/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/simple-unrecognized-enum/google/protobuf/timestamp.ts
+++ b/integration/simple-unrecognized-enum/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/simple-unrecognized-enum/google/protobuf/wrappers.ts b/integration/simple-unrecognized-enum/google/protobuf/wrappers.ts
index 6637762f8..47d1af1f6 100644
--- a/integration/simple-unrecognized-enum/google/protobuf/wrappers.ts
+++ b/integration/simple-unrecognized-enum/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple-unrecognized-enum/import_dir/thing.ts b/integration/simple-unrecognized-enum/import_dir/thing.ts
index 4fe4bb1a2..e57f3e817 100644
--- a/integration/simple-unrecognized-enum/import_dir/thing.ts
+++ b/integration/simple-unrecognized-enum/import_dir/thing.ts
@@ -56,9 +56,8 @@ export const ImportedThing = {
   },
 
   create<I extends Exact<DeepPartial<ImportedThing>, I>>(base?: I): ImportedThing {
-    return ImportedThing.fromPartial(base ?? {});
+    return ImportedThing.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ImportedThing>, I>>(object: I): ImportedThing {
     const message = createBaseImportedThing();
     message.createdAt = object.createdAt ?? undefined;
diff --git a/integration/simple-unrecognized-enum/simple.ts b/integration/simple-unrecognized-enum/simple.ts
index e4b7063ff..0019a47af 100644
--- a/integration/simple-unrecognized-enum/simple.ts
+++ b/integration/simple-unrecognized-enum/simple.ts
@@ -439,9 +439,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -524,9 +523,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = createBaseChild();
     message.name = object.name ?? "";
@@ -613,9 +611,8 @@ export const Nested = {
   },
 
   create<I extends Exact<DeepPartial<Nested>, I>>(base?: I): Nested {
-    return Nested.fromPartial(base ?? {});
+    return Nested.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested>, I>>(object: I): Nested {
     const message = createBaseNested();
     message.name = object.name ?? "";
@@ -691,9 +688,8 @@ export const Nested_InnerMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(base?: I): Nested_InnerMessage {
-    return Nested_InnerMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(object: I): Nested_InnerMessage {
     const message = createBaseNested_InnerMessage();
     message.name = object.name ?? "";
@@ -752,9 +748,8 @@ export const Nested_InnerMessage_DeepMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(base?: I): Nested_InnerMessage_DeepMessage {
-    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(
     object: I,
   ): Nested_InnerMessage_DeepMessage {
@@ -828,9 +823,8 @@ export const OneOfMessage = {
   },
 
   create<I extends Exact<DeepPartial<OneOfMessage>, I>>(base?: I): OneOfMessage {
-    return OneOfMessage.fromPartial(base ?? {});
+    return OneOfMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OneOfMessage>, I>>(object: I): OneOfMessage {
     const message = createBaseOneOfMessage();
     message.first = object.first ?? undefined;
@@ -945,9 +939,8 @@ export const SimpleWithWrappers = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(base?: I): SimpleWithWrappers {
-    return SimpleWithWrappers.fromPartial(base ?? {});
+    return SimpleWithWrappers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(object: I): SimpleWithWrappers {
     const message = createBaseSimpleWithWrappers();
     message.name = object.name ?? undefined;
@@ -1007,9 +1000,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? 0;
@@ -1137,9 +1129,8 @@ export const SimpleWithMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap>, I>>(base?: I): SimpleWithMap {
-    return SimpleWithMap.fromPartial(base ?? {});
+    return SimpleWithMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap>, I>>(object: I): SimpleWithMap {
     const message = createBaseSimpleWithMap();
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1237,9 +1228,8 @@ export const SimpleWithMap_EntitiesByIdEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(base?: I): SimpleWithMap_EntitiesByIdEntry {
-    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithMap_EntitiesByIdEntry {
@@ -1313,9 +1303,8 @@ export const SimpleWithMap_NameLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(base?: I): SimpleWithMap_NameLookupEntry {
-    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_NameLookupEntry {
@@ -1387,9 +1376,8 @@ export const SimpleWithMap_IntLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(base?: I): SimpleWithMap_IntLookupEntry {
-    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(object: I): SimpleWithMap_IntLookupEntry {
     const message = createBaseSimpleWithMap_IntLookupEntry();
     message.key = object.key ?? 0;
@@ -1462,9 +1450,8 @@ export const SimpleWithSnakeCaseMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(base?: I): SimpleWithSnakeCaseMap {
-    return SimpleWithSnakeCaseMap.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(object: I): SimpleWithSnakeCaseMap {
     const message = createBaseSimpleWithSnakeCaseMap();
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1546,9 +1533,8 @@ export const SimpleWithSnakeCaseMap_EntitiesByIdEntry = {
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     base?: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
-    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
@@ -1609,9 +1595,8 @@ export const PingRequest = {
   },
 
   create<I extends Exact<DeepPartial<PingRequest>, I>>(base?: I): PingRequest {
-    return PingRequest.fromPartial(base ?? {});
+    return PingRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingRequest>, I>>(object: I): PingRequest {
     const message = createBasePingRequest();
     message.input = object.input ?? "";
@@ -1667,9 +1652,8 @@ export const PingResponse = {
   },
 
   create<I extends Exact<DeepPartial<PingResponse>, I>>(base?: I): PingResponse {
-    return PingResponse.fromPartial(base ?? {});
+    return PingResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingResponse>, I>>(object: I): PingResponse {
     const message = createBasePingResponse();
     message.output = object.output ?? "";
@@ -1894,9 +1878,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
diff --git a/integration/simple/google/protobuf/timestamp.ts b/integration/simple/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/simple/google/protobuf/timestamp.ts
+++ b/integration/simple/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/simple/google/protobuf/wrappers.ts b/integration/simple/google/protobuf/wrappers.ts
index 6637762f8..47d1af1f6 100644
--- a/integration/simple/google/protobuf/wrappers.ts
+++ b/integration/simple/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/simple/google/type/date.ts b/integration/simple/google/type/date.ts
index 055208cca..fa3432109 100644
--- a/integration/simple/google/type/date.ts
+++ b/integration/simple/google/type/date.ts
@@ -112,9 +112,8 @@ export const DateMessage = {
   },
 
   create<I extends Exact<DeepPartial<DateMessage>, I>>(base?: I): DateMessage {
-    return DateMessage.fromPartial(base ?? {});
+    return DateMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DateMessage>, I>>(object: I): DateMessage {
     const message = createBaseDateMessage();
     message.year = object.year ?? 0;
diff --git a/integration/simple/import_dir/thing.ts b/integration/simple/import_dir/thing.ts
index 4fe4bb1a2..e57f3e817 100644
--- a/integration/simple/import_dir/thing.ts
+++ b/integration/simple/import_dir/thing.ts
@@ -56,9 +56,8 @@ export const ImportedThing = {
   },
 
   create<I extends Exact<DeepPartial<ImportedThing>, I>>(base?: I): ImportedThing {
-    return ImportedThing.fromPartial(base ?? {});
+    return ImportedThing.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ImportedThing>, I>>(object: I): ImportedThing {
     const message = createBaseImportedThing();
     message.createdAt = object.createdAt ?? undefined;
diff --git a/integration/simple/simple.ts b/integration/simple/simple.ts
index 4e07b22b8..c8a55c59f 100644
--- a/integration/simple/simple.ts
+++ b/integration/simple/simple.ts
@@ -574,9 +574,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -665,9 +664,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(object: I): Child {
     const message = createBaseChild();
     message.name = object.name ?? "";
@@ -754,9 +752,8 @@ export const Nested = {
   },
 
   create<I extends Exact<DeepPartial<Nested>, I>>(base?: I): Nested {
-    return Nested.fromPartial(base ?? {});
+    return Nested.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested>, I>>(object: I): Nested {
     const message = createBaseNested();
     message.name = object.name ?? "";
@@ -832,9 +829,8 @@ export const Nested_InnerMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(base?: I): Nested_InnerMessage {
-    return Nested_InnerMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage>, I>>(object: I): Nested_InnerMessage {
     const message = createBaseNested_InnerMessage();
     message.name = object.name ?? "";
@@ -893,9 +889,8 @@ export const Nested_InnerMessage_DeepMessage = {
   },
 
   create<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(base?: I): Nested_InnerMessage_DeepMessage {
-    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? {});
+    return Nested_InnerMessage_DeepMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Nested_InnerMessage_DeepMessage>, I>>(
     object: I,
   ): Nested_InnerMessage_DeepMessage {
@@ -969,9 +964,8 @@ export const OneOfMessage = {
   },
 
   create<I extends Exact<DeepPartial<OneOfMessage>, I>>(base?: I): OneOfMessage {
-    return OneOfMessage.fromPartial(base ?? {});
+    return OneOfMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OneOfMessage>, I>>(object: I): OneOfMessage {
     const message = createBaseOneOfMessage();
     message.first = object.first ?? undefined;
@@ -1100,9 +1094,8 @@ export const SimpleWithWrappers = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(base?: I): SimpleWithWrappers {
-    return SimpleWithWrappers.fromPartial(base ?? {});
+    return SimpleWithWrappers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithWrappers>, I>>(object: I): SimpleWithWrappers {
     const message = createBaseSimpleWithWrappers();
     message.name = object.name ?? undefined;
@@ -1163,9 +1156,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? 0;
@@ -1418,9 +1410,8 @@ export const SimpleWithMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap>, I>>(base?: I): SimpleWithMap {
-    return SimpleWithMap.fromPartial(base ?? {});
+    return SimpleWithMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap>, I>>(object: I): SimpleWithMap {
     const message = createBaseSimpleWithMap();
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -1553,9 +1544,8 @@ export const SimpleWithMap_EntitiesByIdEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(base?: I): SimpleWithMap_EntitiesByIdEntry {
-    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithMap_EntitiesByIdEntry {
@@ -1629,9 +1619,8 @@ export const SimpleWithMap_NameLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(base?: I): SimpleWithMap_NameLookupEntry {
-    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_NameLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_NameLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_NameLookupEntry {
@@ -1703,9 +1692,8 @@ export const SimpleWithMap_IntLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(base?: I): SimpleWithMap_IntLookupEntry {
-    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_IntLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_IntLookupEntry>, I>>(object: I): SimpleWithMap_IntLookupEntry {
     const message = createBaseSimpleWithMap_IntLookupEntry();
     message.key = object.key ?? 0;
@@ -1780,9 +1768,8 @@ export const SimpleWithMap_MapOfTimestampsEntry = {
   create<I extends Exact<DeepPartial<SimpleWithMap_MapOfTimestampsEntry>, I>>(
     base?: I,
   ): SimpleWithMap_MapOfTimestampsEntry {
-    return SimpleWithMap_MapOfTimestampsEntry.fromPartial(base ?? {});
+    return SimpleWithMap_MapOfTimestampsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_MapOfTimestampsEntry>, I>>(
     object: I,
   ): SimpleWithMap_MapOfTimestampsEntry {
@@ -1857,9 +1844,8 @@ export const SimpleWithMap_MapOfBytesEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_MapOfBytesEntry>, I>>(base?: I): SimpleWithMap_MapOfBytesEntry {
-    return SimpleWithMap_MapOfBytesEntry.fromPartial(base ?? {});
+    return SimpleWithMap_MapOfBytesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_MapOfBytesEntry>, I>>(
     object: I,
   ): SimpleWithMap_MapOfBytesEntry {
@@ -1936,9 +1922,8 @@ export const SimpleWithMap_MapOfStringValuesEntry = {
   create<I extends Exact<DeepPartial<SimpleWithMap_MapOfStringValuesEntry>, I>>(
     base?: I,
   ): SimpleWithMap_MapOfStringValuesEntry {
-    return SimpleWithMap_MapOfStringValuesEntry.fromPartial(base ?? {});
+    return SimpleWithMap_MapOfStringValuesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_MapOfStringValuesEntry>, I>>(
     object: I,
   ): SimpleWithMap_MapOfStringValuesEntry {
@@ -2010,9 +1995,8 @@ export const SimpleWithMap_LongLookupEntry = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMap_LongLookupEntry>, I>>(base?: I): SimpleWithMap_LongLookupEntry {
-    return SimpleWithMap_LongLookupEntry.fromPartial(base ?? {});
+    return SimpleWithMap_LongLookupEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMap_LongLookupEntry>, I>>(
     object: I,
   ): SimpleWithMap_LongLookupEntry {
@@ -2087,9 +2071,8 @@ export const SimpleWithSnakeCaseMap = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(base?: I): SimpleWithSnakeCaseMap {
-    return SimpleWithSnakeCaseMap.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap>, I>>(object: I): SimpleWithSnakeCaseMap {
     const message = createBaseSimpleWithSnakeCaseMap();
     message.entitiesById = Object.entries(object.entitiesById ?? {}).reduce<{ [key: number]: Entity }>(
@@ -2171,9 +2154,8 @@ export const SimpleWithSnakeCaseMap_EntitiesByIdEntry = {
   create<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     base?: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
-    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? {});
+    return SimpleWithSnakeCaseMap_EntitiesByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithSnakeCaseMap_EntitiesByIdEntry>, I>>(
     object: I,
   ): SimpleWithSnakeCaseMap_EntitiesByIdEntry {
@@ -2250,9 +2232,8 @@ export const SimpleWithMapOfEnums = {
   },
 
   create<I extends Exact<DeepPartial<SimpleWithMapOfEnums>, I>>(base?: I): SimpleWithMapOfEnums {
-    return SimpleWithMapOfEnums.fromPartial(base ?? {});
+    return SimpleWithMapOfEnums.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMapOfEnums>, I>>(object: I): SimpleWithMapOfEnums {
     const message = createBaseSimpleWithMapOfEnums();
     message.enumsById = Object.entries(object.enumsById ?? {}).reduce<{ [key: number]: StateEnum }>(
@@ -2334,9 +2315,8 @@ export const SimpleWithMapOfEnums_EnumsByIdEntry = {
   create<I extends Exact<DeepPartial<SimpleWithMapOfEnums_EnumsByIdEntry>, I>>(
     base?: I,
   ): SimpleWithMapOfEnums_EnumsByIdEntry {
-    return SimpleWithMapOfEnums_EnumsByIdEntry.fromPartial(base ?? {});
+    return SimpleWithMapOfEnums_EnumsByIdEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleWithMapOfEnums_EnumsByIdEntry>, I>>(
     object: I,
   ): SimpleWithMapOfEnums_EnumsByIdEntry {
@@ -2395,9 +2375,8 @@ export const PingRequest = {
   },
 
   create<I extends Exact<DeepPartial<PingRequest>, I>>(base?: I): PingRequest {
-    return PingRequest.fromPartial(base ?? {});
+    return PingRequest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingRequest>, I>>(object: I): PingRequest {
     const message = createBasePingRequest();
     message.input = object.input ?? "";
@@ -2453,9 +2432,8 @@ export const PingResponse = {
   },
 
   create<I extends Exact<DeepPartial<PingResponse>, I>>(base?: I): PingResponse {
-    return PingResponse.fromPartial(base ?? {});
+    return PingResponse.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<PingResponse>, I>>(object: I): PingResponse {
     const message = createBasePingResponse();
     message.output = object.output ?? "";
@@ -2680,9 +2658,8 @@ export const Numbers = {
   },
 
   create<I extends Exact<DeepPartial<Numbers>, I>>(base?: I): Numbers {
-    return Numbers.fromPartial(base ?? {});
+    return Numbers.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Numbers>, I>>(object: I): Numbers {
     const message = createBaseNumbers();
     message.double = object.double ?? 0;
@@ -2843,9 +2820,8 @@ export const SimpleButOptional = {
   },
 
   create<I extends Exact<DeepPartial<SimpleButOptional>, I>>(base?: I): SimpleButOptional {
-    return SimpleButOptional.fromPartial(base ?? {});
+    return SimpleButOptional.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SimpleButOptional>, I>>(object: I): SimpleButOptional {
     const message = createBaseSimpleButOptional();
     message.name = object.name ?? undefined;
@@ -2898,9 +2874,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/static-only-type-registry/bar/bar.ts b/integration/static-only-type-registry/bar/bar.ts
index 7b1a4ac87..894ddc806 100644
--- a/integration/static-only-type-registry/bar/bar.ts
+++ b/integration/static-only-type-registry/bar/bar.ts
@@ -59,9 +59,8 @@ export const Bar = {
   },
 
   create<I extends Exact<DeepPartial<Bar>, I>>(base?: I): Bar {
-    return Bar.fromPartial(base ?? {});
+    return Bar.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Bar>, I>>(object: I): Bar {
     const message = createBaseBar();
     message.foo = (object.foo !== undefined && object.foo !== null) ? Foo.fromPartial(object.foo) : undefined;
diff --git a/integration/static-only-type-registry/foo.ts b/integration/static-only-type-registry/foo.ts
index bf714ce78..60f5856c0 100644
--- a/integration/static-only-type-registry/foo.ts
+++ b/integration/static-only-type-registry/foo.ts
@@ -68,9 +68,8 @@ export const Foo = {
   },
 
   create<I extends Exact<DeepPartial<Foo>, I>>(base?: I): Foo {
-    return Foo.fromPartial(base ?? {});
+    return Foo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo>, I>>(object: I): Foo {
     const message = createBaseFoo();
     message.timestamp = object.timestamp ?? undefined;
@@ -130,9 +129,8 @@ export const Foo2 = {
   },
 
   create<I extends Exact<DeepPartial<Foo2>, I>>(base?: I): Foo2 {
-    return Foo2.fromPartial(base ?? {});
+    return Foo2.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo2>, I>>(object: I): Foo2 {
     const message = createBaseFoo2();
     message.timestamp = object.timestamp ?? undefined;
@@ -192,9 +190,8 @@ export const WithStruct = {
   },
 
   create<I extends Exact<DeepPartial<WithStruct>, I>>(base?: I): WithStruct {
-    return WithStruct.fromPartial(base ?? {});
+    return WithStruct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithStruct>, I>>(object: I): WithStruct {
     const message = createBaseWithStruct();
     message.struct = object.struct ?? undefined;
diff --git a/integration/static-only-type-registry/google/protobuf/struct.ts b/integration/static-only-type-registry/google/protobuf/struct.ts
index 239a36208..ae9f4bbc9 100644
--- a/integration/static-only-type-registry/google/protobuf/struct.ts
+++ b/integration/static-only-type-registry/google/protobuf/struct.ts
@@ -169,9 +169,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -272,9 +271,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -414,9 +412,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -518,9 +515,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/static-only-type-registry/google/protobuf/timestamp.ts b/integration/static-only-type-registry/google/protobuf/timestamp.ts
index 6412e7c48..b6699d2e6 100644
--- a/integration/static-only-type-registry/google/protobuf/timestamp.ts
+++ b/integration/static-only-type-registry/google/protobuf/timestamp.ts
@@ -178,9 +178,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/static-only/bar/bar.ts b/integration/static-only/bar/bar.ts
index 43cb9de82..3d6b35cec 100644
--- a/integration/static-only/bar/bar.ts
+++ b/integration/static-only/bar/bar.ts
@@ -58,9 +58,8 @@ export const Bar = {
   },
 
   create<I extends Exact<DeepPartial<Bar>, I>>(base?: I): Bar {
-    return Bar.fromPartial(base ?? {});
+    return Bar.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Bar>, I>>(object: I): Bar {
     const message = createBaseBar();
     message.foo = (object.foo !== undefined && object.foo !== null) ? Foo.fromPartial(object.foo) : undefined;
diff --git a/integration/static-only/foo.ts b/integration/static-only/foo.ts
index 8055715b9..79faf9709 100644
--- a/integration/static-only/foo.ts
+++ b/integration/static-only/foo.ts
@@ -67,9 +67,8 @@ export const Foo = {
   },
 
   create<I extends Exact<DeepPartial<Foo>, I>>(base?: I): Foo {
-    return Foo.fromPartial(base ?? {});
+    return Foo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo>, I>>(object: I): Foo {
     const message = createBaseFoo();
     message.timestamp = object.timestamp ?? undefined;
@@ -127,9 +126,8 @@ export const Foo2 = {
   },
 
   create<I extends Exact<DeepPartial<Foo2>, I>>(base?: I): Foo2 {
-    return Foo2.fromPartial(base ?? {});
+    return Foo2.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo2>, I>>(object: I): Foo2 {
     const message = createBaseFoo2();
     message.timestamp = object.timestamp ?? undefined;
@@ -187,9 +185,8 @@ export const WithStruct = {
   },
 
   create<I extends Exact<DeepPartial<WithStruct>, I>>(base?: I): WithStruct {
-    return WithStruct.fromPartial(base ?? {});
+    return WithStruct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithStruct>, I>>(object: I): WithStruct {
     const message = createBaseWithStruct();
     message.struct = object.struct ?? undefined;
diff --git a/integration/static-only/google/protobuf/struct.ts b/integration/static-only/google/protobuf/struct.ts
index 64cca73ce..8fd19c518 100644
--- a/integration/static-only/google/protobuf/struct.ts
+++ b/integration/static-only/google/protobuf/struct.ts
@@ -168,9 +168,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -269,9 +268,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -409,9 +407,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -511,9 +508,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/static-only/google/protobuf/timestamp.ts b/integration/static-only/google/protobuf/timestamp.ts
index 0fb7abe8f..6ccab68ee 100644
--- a/integration/static-only/google/protobuf/timestamp.ts
+++ b/integration/static-only/google/protobuf/timestamp.ts
@@ -177,9 +177,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/struct/google/protobuf/struct.ts b/integration/struct/google/protobuf/struct.ts
index b2486a866..4d9869bbe 100644
--- a/integration/struct/google/protobuf/struct.ts
+++ b/integration/struct/google/protobuf/struct.ts
@@ -166,9 +166,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -265,9 +264,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -403,9 +401,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -503,9 +500,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/struct/struct.ts b/integration/struct/struct.ts
index 83bf70017..ee5561019 100644
--- a/integration/struct/struct.ts
+++ b/integration/struct/struct.ts
@@ -56,9 +56,8 @@ export const StructMessage = {
   },
 
   create<I extends Exact<DeepPartial<StructMessage>, I>>(base?: I): StructMessage {
-    return StructMessage.fromPartial(base ?? {});
+    return StructMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StructMessage>, I>>(object: I): StructMessage {
     const message = createBaseStructMessage();
     message.value = object.value ?? undefined;
diff --git a/integration/type-annotations/bar/bar.ts b/integration/type-annotations/bar/bar.ts
index aef3a1bfb..02d25f42d 100644
--- a/integration/type-annotations/bar/bar.ts
+++ b/integration/type-annotations/bar/bar.ts
@@ -59,9 +59,8 @@ export const Bar = {
   },
 
   create<I extends Exact<DeepPartial<Bar>, I>>(base?: I): Bar {
-    return Bar.fromPartial(base ?? {});
+    return Bar.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Bar>, I>>(object: I): Bar {
     const message = createBaseBar();
     message.foo = (object.foo !== undefined && object.foo !== null) ? Foo.fromPartial(object.foo) : undefined;
diff --git a/integration/type-annotations/foo.ts b/integration/type-annotations/foo.ts
index 2ae6b7752..a70df82dd 100644
--- a/integration/type-annotations/foo.ts
+++ b/integration/type-annotations/foo.ts
@@ -70,9 +70,8 @@ export const Foo = {
   },
 
   create<I extends Exact<DeepPartial<Foo>, I>>(base?: I): Foo {
-    return Foo.fromPartial(base ?? {});
+    return Foo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo>, I>>(object: I): Foo {
     const message = createBaseFoo();
     message.timestamp = object.timestamp ?? undefined;
@@ -130,9 +129,8 @@ export const Foo2 = {
   },
 
   create<I extends Exact<DeepPartial<Foo2>, I>>(base?: I): Foo2 {
-    return Foo2.fromPartial(base ?? {});
+    return Foo2.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo2>, I>>(object: I): Foo2 {
     const message = createBaseFoo2();
     message.timestamp = object.timestamp ?? undefined;
@@ -190,9 +188,8 @@ export const WithStruct = {
   },
 
   create<I extends Exact<DeepPartial<WithStruct>, I>>(base?: I): WithStruct {
-    return WithStruct.fromPartial(base ?? {});
+    return WithStruct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithStruct>, I>>(object: I): WithStruct {
     const message = createBaseWithStruct();
     message.struct = object.struct ?? undefined;
diff --git a/integration/type-annotations/google/protobuf/struct.ts b/integration/type-annotations/google/protobuf/struct.ts
index 6e0125ecc..44688c3bf 100644
--- a/integration/type-annotations/google/protobuf/struct.ts
+++ b/integration/type-annotations/google/protobuf/struct.ts
@@ -176,9 +176,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -281,9 +280,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -423,9 +421,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -525,9 +522,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/type-annotations/google/protobuf/timestamp.ts b/integration/type-annotations/google/protobuf/timestamp.ts
index d3a2b6743..2e4805245 100644
--- a/integration/type-annotations/google/protobuf/timestamp.ts
+++ b/integration/type-annotations/google/protobuf/timestamp.ts
@@ -179,9 +179,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/type-registry/bar/bar.ts b/integration/type-registry/bar/bar.ts
index 2b5060a88..cf48b0f00 100644
--- a/integration/type-registry/bar/bar.ts
+++ b/integration/type-registry/bar/bar.ts
@@ -60,9 +60,8 @@ export const Bar = {
   },
 
   create<I extends Exact<DeepPartial<Bar>, I>>(base?: I): Bar {
-    return Bar.fromPartial(base ?? {});
+    return Bar.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Bar>, I>>(object: I): Bar {
     const message = createBaseBar();
     message.foo = (object.foo !== undefined && object.foo !== null) ? Foo.fromPartial(object.foo) : undefined;
diff --git a/integration/type-registry/foo.ts b/integration/type-registry/foo.ts
index d8e4e26cc..66e28dce9 100644
--- a/integration/type-registry/foo.ts
+++ b/integration/type-registry/foo.ts
@@ -71,9 +71,8 @@ export const Foo = {
   },
 
   create<I extends Exact<DeepPartial<Foo>, I>>(base?: I): Foo {
-    return Foo.fromPartial(base ?? {});
+    return Foo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo>, I>>(object: I): Foo {
     const message = createBaseFoo();
     message.timestamp = object.timestamp ?? undefined;
@@ -133,9 +132,8 @@ export const Foo2 = {
   },
 
   create<I extends Exact<DeepPartial<Foo2>, I>>(base?: I): Foo2 {
-    return Foo2.fromPartial(base ?? {});
+    return Foo2.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Foo2>, I>>(object: I): Foo2 {
     const message = createBaseFoo2();
     message.timestamp = object.timestamp ?? undefined;
@@ -195,9 +193,8 @@ export const WithStruct = {
   },
 
   create<I extends Exact<DeepPartial<WithStruct>, I>>(base?: I): WithStruct {
-    return WithStruct.fromPartial(base ?? {});
+    return WithStruct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<WithStruct>, I>>(object: I): WithStruct {
     const message = createBaseWithStruct();
     message.struct = object.struct ?? undefined;
diff --git a/integration/type-registry/google/protobuf/struct.ts b/integration/type-registry/google/protobuf/struct.ts
index 451bad188..aa4e48cb5 100644
--- a/integration/type-registry/google/protobuf/struct.ts
+++ b/integration/type-registry/google/protobuf/struct.ts
@@ -177,9 +177,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -284,9 +283,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -428,9 +426,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -532,9 +529,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/type-registry/google/protobuf/timestamp.ts b/integration/type-registry/google/protobuf/timestamp.ts
index cd8375327..02b9e8321 100644
--- a/integration/type-registry/google/protobuf/timestamp.ts
+++ b/integration/type-registry/google/protobuf/timestamp.ts
@@ -180,9 +180,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/types-with-underscores/file.ts b/integration/types-with-underscores/file.ts
index 6b174be1f..8354311e6 100644
--- a/integration/types-with-underscores/file.ts
+++ b/integration/types-with-underscores/file.ts
@@ -58,9 +58,8 @@ export const Baz = {
   },
 
   create<I extends Exact<DeepPartial<Baz>, I>>(base?: I): Baz {
-    return Baz.fromPartial(base ?? {});
+    return Baz.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Baz>, I>>(object: I): Baz {
     const message = createBaseBaz();
     message.foo = (object.foo !== undefined && object.foo !== null) ? FooBar.fromPartial(object.foo) : undefined;
@@ -103,9 +102,8 @@ export const FooBar = {
   },
 
   create<I extends Exact<DeepPartial<FooBar>, I>>(base?: I): FooBar {
-    return FooBar.fromPartial(base ?? {});
+    return FooBar.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FooBar>, I>>(_: I): FooBar {
     const message = createBaseFooBar();
     return message;
diff --git a/integration/use-date-false/google/protobuf/timestamp.ts b/integration/use-date-false/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/use-date-false/google/protobuf/timestamp.ts
+++ b/integration/use-date-false/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/use-date-false/metadata.ts b/integration/use-date-false/metadata.ts
index 097fa6736..5ea696d73 100644
--- a/integration/use-date-false/metadata.ts
+++ b/integration/use-date-false/metadata.ts
@@ -56,9 +56,8 @@ export const Metadata = {
   },
 
   create<I extends Exact<DeepPartial<Metadata>, I>>(base?: I): Metadata {
-    return Metadata.fromPartial(base ?? {});
+    return Metadata.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Metadata>, I>>(object: I): Metadata {
     const message = createBaseMetadata();
     message.lastEdited = (object.lastEdited !== undefined && object.lastEdited !== null)
diff --git a/integration/use-date-string/google/protobuf/timestamp.ts b/integration/use-date-string/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/use-date-string/google/protobuf/timestamp.ts
+++ b/integration/use-date-string/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/use-date-string/use-date-string.ts b/integration/use-date-string/use-date-string.ts
index e8d32a532..b71bfb533 100644
--- a/integration/use-date-string/use-date-string.ts
+++ b/integration/use-date-string/use-date-string.ts
@@ -139,9 +139,8 @@ export const Todo = {
   },
 
   create<I extends Exact<DeepPartial<Todo>, I>>(base?: I): Todo {
-    return Todo.fromPartial(base ?? {});
+    return Todo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Todo>, I>>(object: I): Todo {
     const message = createBaseTodo();
     message.id = object.id ?? "";
@@ -225,9 +224,8 @@ export const Todo_MapOfTimestampsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Todo_MapOfTimestampsEntry>, I>>(base?: I): Todo_MapOfTimestampsEntry {
-    return Todo_MapOfTimestampsEntry.fromPartial(base ?? {});
+    return Todo_MapOfTimestampsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Todo_MapOfTimestampsEntry>, I>>(object: I): Todo_MapOfTimestampsEntry {
     const message = createBaseTodo_MapOfTimestampsEntry();
     message.key = object.key ?? "";
diff --git a/integration/use-date-true/google/protobuf/empty.ts b/integration/use-date-true/google/protobuf/empty.ts
index 1387d7ce4..5f012de45 100644
--- a/integration/use-date-true/google/protobuf/empty.ts
+++ b/integration/use-date-true/google/protobuf/empty.ts
@@ -52,9 +52,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/use-date-true/google/protobuf/timestamp.ts b/integration/use-date-true/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/use-date-true/google/protobuf/timestamp.ts
+++ b/integration/use-date-true/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/use-date-true/use-date-true.ts b/integration/use-date-true/use-date-true.ts
index 0fae63006..e5dae4c12 100644
--- a/integration/use-date-true/use-date-true.ts
+++ b/integration/use-date-true/use-date-true.ts
@@ -140,9 +140,8 @@ export const Todo = {
   },
 
   create<I extends Exact<DeepPartial<Todo>, I>>(base?: I): Todo {
-    return Todo.fromPartial(base ?? {});
+    return Todo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Todo>, I>>(object: I): Todo {
     const message = createBaseTodo();
     message.id = object.id ?? "";
@@ -226,9 +225,8 @@ export const Todo_MapOfTimestampsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Todo_MapOfTimestampsEntry>, I>>(base?: I): Todo_MapOfTimestampsEntry {
-    return Todo_MapOfTimestampsEntry.fromPartial(base ?? {});
+    return Todo_MapOfTimestampsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Todo_MapOfTimestampsEntry>, I>>(object: I): Todo_MapOfTimestampsEntry {
     const message = createBaseTodo_MapOfTimestampsEntry();
     message.key = object.key ?? "";
diff --git a/integration/use-exact-types-false/foo.ts b/integration/use-exact-types-false/foo.ts
index fe86b5836..80cee2f5a 100644
--- a/integration/use-exact-types-false/foo.ts
+++ b/integration/use-exact-types-false/foo.ts
@@ -71,7 +71,6 @@ export const Foo = {
   create(base?: DeepPartial<Foo>): Foo {
     return Foo.fromPartial(base ?? {});
   },
-
   fromPartial(object: DeepPartial<Foo>): Foo {
     const message = createBaseFoo();
     message.bar = object.bar ?? "";
diff --git a/integration/use-map-type/google/protobuf/struct.ts b/integration/use-map-type/google/protobuf/struct.ts
index cb6b8e13d..da5112d66 100644
--- a/integration/use-map-type/google/protobuf/struct.ts
+++ b/integration/use-map-type/google/protobuf/struct.ts
@@ -163,9 +163,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = (() => {
@@ -260,9 +259,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -398,9 +396,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -498,9 +495,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/use-map-type/google/protobuf/timestamp.ts b/integration/use-map-type/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/use-map-type/google/protobuf/timestamp.ts
+++ b/integration/use-map-type/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/use-map-type/use-map-type.ts b/integration/use-map-type/use-map-type.ts
index ddb7d7b3a..70a6183ce 100644
--- a/integration/use-map-type/use-map-type.ts
+++ b/integration/use-map-type/use-map-type.ts
@@ -92,9 +92,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity();
     message.id = object.id ?? 0;
@@ -284,9 +283,8 @@ export const Maps = {
   },
 
   create<I extends Exact<DeepPartial<Maps>, I>>(base?: I): Maps {
-    return Maps.fromPartial(base ?? {});
+    return Maps.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Maps>, I>>(object: I): Maps {
     const message = createBaseMaps();
     message.strToEntity = (() => {
@@ -403,9 +401,8 @@ export const Maps_StrToEntityEntry = {
   },
 
   create<I extends Exact<DeepPartial<Maps_StrToEntityEntry>, I>>(base?: I): Maps_StrToEntityEntry {
-    return Maps_StrToEntityEntry.fromPartial(base ?? {});
+    return Maps_StrToEntityEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Maps_StrToEntityEntry>, I>>(object: I): Maps_StrToEntityEntry {
     const message = createBaseMaps_StrToEntityEntry();
     message.key = object.key ?? "";
@@ -477,9 +474,8 @@ export const Maps_Int32ToInt32Entry = {
   },
 
   create<I extends Exact<DeepPartial<Maps_Int32ToInt32Entry>, I>>(base?: I): Maps_Int32ToInt32Entry {
-    return Maps_Int32ToInt32Entry.fromPartial(base ?? {});
+    return Maps_Int32ToInt32Entry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Maps_Int32ToInt32Entry>, I>>(object: I): Maps_Int32ToInt32Entry {
     const message = createBaseMaps_Int32ToInt32Entry();
     message.key = object.key ?? 0;
@@ -552,9 +548,8 @@ export const Maps_StringToBytesEntry = {
   },
 
   create<I extends Exact<DeepPartial<Maps_StringToBytesEntry>, I>>(base?: I): Maps_StringToBytesEntry {
-    return Maps_StringToBytesEntry.fromPartial(base ?? {});
+    return Maps_StringToBytesEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Maps_StringToBytesEntry>, I>>(object: I): Maps_StringToBytesEntry {
     const message = createBaseMaps_StringToBytesEntry();
     message.key = object.key ?? "";
@@ -624,9 +619,8 @@ export const Maps_Int64ToInt64Entry = {
   },
 
   create<I extends Exact<DeepPartial<Maps_Int64ToInt64Entry>, I>>(base?: I): Maps_Int64ToInt64Entry {
-    return Maps_Int64ToInt64Entry.fromPartial(base ?? {});
+    return Maps_Int64ToInt64Entry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Maps_Int64ToInt64Entry>, I>>(object: I): Maps_Int64ToInt64Entry {
     const message = createBaseMaps_Int64ToInt64Entry();
     message.key = object.key ?? 0;
@@ -699,9 +693,8 @@ export const Maps_MapOfTimestampsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Maps_MapOfTimestampsEntry>, I>>(base?: I): Maps_MapOfTimestampsEntry {
-    return Maps_MapOfTimestampsEntry.fromPartial(base ?? {});
+    return Maps_MapOfTimestampsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Maps_MapOfTimestampsEntry>, I>>(object: I): Maps_MapOfTimestampsEntry {
     const message = createBaseMaps_MapOfTimestampsEntry();
     message.key = object.key ?? "";
diff --git a/integration/use-numeric-enum-json/google/protobuf/struct.ts b/integration/use-numeric-enum-json/google/protobuf/struct.ts
index 41928548c..4fac6f104 100644
--- a/integration/use-numeric-enum-json/google/protobuf/struct.ts
+++ b/integration/use-numeric-enum-json/google/protobuf/struct.ts
@@ -166,9 +166,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -265,9 +264,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -403,9 +401,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -503,9 +500,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/use-numeric-enum-json/simple.ts b/integration/use-numeric-enum-json/simple.ts
index bec6c5696..5be507613 100644
--- a/integration/use-numeric-enum-json/simple.ts
+++ b/integration/use-numeric-enum-json/simple.ts
@@ -188,9 +188,8 @@ export const Simple = {
   },
 
   create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
-    return Simple.fromPartial(base ?? {});
+    return Simple.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
     const message = createBaseSimple();
     message.name = object.name ?? "";
@@ -274,9 +273,8 @@ export const Simple_StateMapEntry = {
   },
 
   create<I extends Exact<DeepPartial<Simple_StateMapEntry>, I>>(base?: I): Simple_StateMapEntry {
-    return Simple_StateMapEntry.fromPartial(base ?? {});
+    return Simple_StateMapEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Simple_StateMapEntry>, I>>(object: I): Simple_StateMapEntry {
     const message = createBaseSimple_StateMapEntry();
     message.key = object.key ?? "";
diff --git a/integration/use-objectid-true-external-import/objectid/objectid.ts b/integration/use-objectid-true-external-import/objectid/objectid.ts
index e61fbb74b..944ab5791 100644
--- a/integration/use-objectid-true-external-import/objectid/objectid.ts
+++ b/integration/use-objectid-true-external-import/objectid/objectid.ts
@@ -55,9 +55,8 @@ export const ObjectId = {
   },
 
   create<I extends Exact<DeepPartial<ObjectId>, I>>(base?: I): ObjectId {
-    return ObjectId.fromPartial(base ?? {});
+    return ObjectId.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ObjectId>, I>>(object: I): ObjectId {
     const message = createBaseObjectId();
     message.value = object.value ?? "";
diff --git a/integration/use-objectid-true-external-import/use-objectid-true.ts b/integration/use-objectid-true-external-import/use-objectid-true.ts
index 4d51b266a..796561952 100644
--- a/integration/use-objectid-true-external-import/use-objectid-true.ts
+++ b/integration/use-objectid-true-external-import/use-objectid-true.ts
@@ -138,9 +138,8 @@ export const Todo = {
   },
 
   create<I extends Exact<DeepPartial<Todo>, I>>(base?: I): Todo {
-    return Todo.fromPartial(base ?? {});
+    return Todo.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Todo>, I>>(object: I): Todo {
     const message = createBaseTodo();
     message.id = object.id ?? "";
@@ -226,9 +225,8 @@ export const Todo_MapOfOidsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Todo_MapOfOidsEntry>, I>>(base?: I): Todo_MapOfOidsEntry {
-    return Todo_MapOfOidsEntry.fromPartial(base ?? {});
+    return Todo_MapOfOidsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Todo_MapOfOidsEntry>, I>>(object: I): Todo_MapOfOidsEntry {
     const message = createBaseTodo_MapOfOidsEntry();
     message.key = object.key ?? "";
diff --git a/integration/use-optionals-all/google/protobuf/timestamp.ts b/integration/use-optionals-all/google/protobuf/timestamp.ts
index 6b1f71f5e..81148d009 100644
--- a/integration/use-optionals-all/google/protobuf/timestamp.ts
+++ b/integration/use-optionals-all/google/protobuf/timestamp.ts
@@ -177,9 +177,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/use-optionals-all/test.ts b/integration/use-optionals-all/test.ts
index 25ca5aa67..848e2fabd 100644
--- a/integration/use-optionals-all/test.ts
+++ b/integration/use-optionals-all/test.ts
@@ -536,9 +536,8 @@ export const OptionalsTest = {
   },
 
   create<I extends Exact<DeepPartial<OptionalsTest>, I>>(base?: I): OptionalsTest {
-    return OptionalsTest.fromPartial(base ?? {});
+    return OptionalsTest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OptionalsTest>, I>>(object: I): OptionalsTest {
     const message = createBaseOptionalsTest();
     message.id = object.id ?? 0;
@@ -639,9 +638,8 @@ export const OptionalsTest_TranslationsEntry = {
   },
 
   create<I extends Exact<DeepPartial<OptionalsTest_TranslationsEntry>, I>>(base?: I): OptionalsTest_TranslationsEntry {
-    return OptionalsTest_TranslationsEntry.fromPartial(base ?? {});
+    return OptionalsTest_TranslationsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OptionalsTest_TranslationsEntry>, I>>(
     object: I,
   ): OptionalsTest_TranslationsEntry {
@@ -687,9 +685,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(_: I): Child {
     const message = createBaseChild();
     return message;
diff --git a/integration/use-optionals-no-undefined/test.ts b/integration/use-optionals-no-undefined/test.ts
index a0ae92741..2cd3a6e07 100644
--- a/integration/use-optionals-no-undefined/test.ts
+++ b/integration/use-optionals-no-undefined/test.ts
@@ -534,9 +534,8 @@ export const OptionalsTest = {
   },
 
   create<I extends Exact<DeepPartial<OptionalsTest>, I>>(base?: I): OptionalsTest {
-    return OptionalsTest.fromPartial(base ?? {});
+    return OptionalsTest.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OptionalsTest>, I>>(object: I): OptionalsTest {
     const message = createBaseOptionalsTest();
     message.id = object.id ?? undefined;
@@ -635,9 +634,8 @@ export const OptionalsTest_TranslationsEntry = {
   },
 
   create<I extends Exact<DeepPartial<OptionalsTest_TranslationsEntry>, I>>(base?: I): OptionalsTest_TranslationsEntry {
-    return OptionalsTest_TranslationsEntry.fromPartial(base ?? {});
+    return OptionalsTest_TranslationsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<OptionalsTest_TranslationsEntry>, I>>(
     object: I,
   ): OptionalsTest_TranslationsEntry {
@@ -683,9 +681,8 @@ export const Child = {
   },
 
   create<I extends Exact<DeepPartial<Child>, I>>(base?: I): Child {
-    return Child.fromPartial(base ?? {});
+    return Child.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Child>, I>>(_: I): Child {
     const message = createBaseChild();
     return message;
diff --git a/integration/use-readonly-types/google/protobuf/field_mask.ts b/integration/use-readonly-types/google/protobuf/field_mask.ts
index bb2f0e74f..c2c42efc6 100644
--- a/integration/use-readonly-types/google/protobuf/field_mask.ts
+++ b/integration/use-readonly-types/google/protobuf/field_mask.ts
@@ -258,9 +258,8 @@ export const FieldMask = {
   },
 
   create<I extends Exact<DeepPartial<FieldMask>, I>>(base?: I): FieldMask {
-    return FieldMask.fromPartial(base ?? {});
+    return FieldMask.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FieldMask>, I>>(object: I): FieldMask {
     const message = createBaseFieldMask() as any;
     message.paths = object.paths?.map((e) => e) || [];
diff --git a/integration/use-readonly-types/google/protobuf/struct.ts b/integration/use-readonly-types/google/protobuf/struct.ts
index 9cf68f024..fa8a370e1 100644
--- a/integration/use-readonly-types/google/protobuf/struct.ts
+++ b/integration/use-readonly-types/google/protobuf/struct.ts
@@ -152,9 +152,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct() as any;
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -251,9 +250,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry() as any;
     message.key = object.key ?? "";
@@ -391,9 +389,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue() as any;
     if (object.kind?.$case === "nullValue" && object.kind?.nullValue !== undefined && object.kind?.nullValue !== null) {
@@ -516,9 +513,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue() as any;
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/use-readonly-types/use-readonly-types.ts b/integration/use-readonly-types/use-readonly-types.ts
index c706088eb..33e6ad30c 100644
--- a/integration/use-readonly-types/use-readonly-types.ts
+++ b/integration/use-readonly-types/use-readonly-types.ts
@@ -261,9 +261,8 @@ export const Entity = {
   },
 
   create<I extends Exact<DeepPartial<Entity>, I>>(base?: I): Entity {
-    return Entity.fromPartial(base ?? {});
+    return Entity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Entity>, I>>(object: I): Entity {
     const message = createBaseEntity() as any;
     message.intVal = object.intVal ?? 0;
@@ -344,9 +343,8 @@ export const SubEntity = {
   },
 
   create<I extends Exact<DeepPartial<SubEntity>, I>>(base?: I): SubEntity {
-    return SubEntity.fromPartial(base ?? {});
+    return SubEntity.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<SubEntity>, I>>(object: I): SubEntity {
     const message = createBaseSubEntity() as any;
     message.subVal = object.subVal ?? 0;
diff --git a/integration/value/google/protobuf/struct.ts b/integration/value/google/protobuf/struct.ts
index b2486a866..4d9869bbe 100644
--- a/integration/value/google/protobuf/struct.ts
+++ b/integration/value/google/protobuf/struct.ts
@@ -166,9 +166,8 @@ export const Struct = {
   },
 
   create<I extends Exact<DeepPartial<Struct>, I>>(base?: I): Struct {
-    return Struct.fromPartial(base ?? {});
+    return Struct.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct>, I>>(object: I): Struct {
     const message = createBaseStruct();
     message.fields = Object.entries(object.fields ?? {}).reduce<{ [key: string]: any | undefined }>(
@@ -265,9 +264,8 @@ export const Struct_FieldsEntry = {
   },
 
   create<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(base?: I): Struct_FieldsEntry {
-    return Struct_FieldsEntry.fromPartial(base ?? {});
+    return Struct_FieldsEntry.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Struct_FieldsEntry>, I>>(object: I): Struct_FieldsEntry {
     const message = createBaseStruct_FieldsEntry();
     message.key = object.key ?? "";
@@ -403,9 +401,8 @@ export const Value = {
   },
 
   create<I extends Exact<DeepPartial<Value>, I>>(base?: I): Value {
-    return Value.fromPartial(base ?? {});
+    return Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Value>, I>>(object: I): Value {
     const message = createBaseValue();
     message.nullValue = object.nullValue ?? undefined;
@@ -503,9 +500,8 @@ export const ListValue = {
   },
 
   create<I extends Exact<DeepPartial<ListValue>, I>>(base?: I): ListValue {
-    return ListValue.fromPartial(base ?? {});
+    return ListValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ListValue>, I>>(object: I): ListValue {
     const message = createBaseListValue();
     message.values = object.values?.map((e) => e) || [];
diff --git a/integration/value/google/protobuf/wrappers.ts b/integration/value/google/protobuf/wrappers.ts
index 6637762f8..47d1af1f6 100644
--- a/integration/value/google/protobuf/wrappers.ts
+++ b/integration/value/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/integration/value/value.ts b/integration/value/value.ts
index a8e9092b0..de18a9501 100644
--- a/integration/value/value.ts
+++ b/integration/value/value.ts
@@ -119,9 +119,8 @@ export const ValueMessage = {
   },
 
   create<I extends Exact<DeepPartial<ValueMessage>, I>>(base?: I): ValueMessage {
-    return ValueMessage.fromPartial(base ?? {});
+    return ValueMessage.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<ValueMessage>, I>>(object: I): ValueMessage {
     const message = createBaseValueMessage();
     message.value = object.value ?? undefined;
diff --git a/integration/vector-tile/vector_tile.ts b/integration/vector-tile/vector_tile.ts
index 7dfda0699..0b8b98571 100644
--- a/integration/vector-tile/vector_tile.ts
+++ b/integration/vector-tile/vector_tile.ts
@@ -127,9 +127,8 @@ export const Tile = {
   },
 
   create<I extends Exact<DeepPartial<Tile>, I>>(base?: I): Tile {
-    return Tile.fromPartial(base ?? {});
+    return Tile.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Tile>, I>>(object: I): Tile {
     const message = createBaseTile();
     message.layers = object.layers?.map((e) => Tile_Layer.fromPartial(e)) || [];
@@ -271,9 +270,8 @@ export const Tile_Value = {
   },
 
   create<I extends Exact<DeepPartial<Tile_Value>, I>>(base?: I): Tile_Value {
-    return Tile_Value.fromPartial(base ?? {});
+    return Tile_Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Tile_Value>, I>>(object: I): Tile_Value {
     const message = createBaseTile_Value();
     message.stringValue = object.stringValue ?? "";
@@ -403,9 +401,8 @@ export const Tile_Feature = {
   },
 
   create<I extends Exact<DeepPartial<Tile_Feature>, I>>(base?: I): Tile_Feature {
-    return Tile_Feature.fromPartial(base ?? {});
+    return Tile_Feature.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Tile_Feature>, I>>(object: I): Tile_Feature {
     const message = createBaseTile_Feature();
     message.id = object.id ?? 0;
@@ -536,9 +533,8 @@ export const Tile_Layer = {
   },
 
   create<I extends Exact<DeepPartial<Tile_Layer>, I>>(base?: I): Tile_Layer {
-    return Tile_Layer.fromPartial(base ?? {});
+    return Tile_Layer.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Tile_Layer>, I>>(object: I): Tile_Layer {
     const message = createBaseTile_Layer();
     message.version = object.version ?? 0;
diff --git a/integration/wrappers-regression/google/protobuf/empty.ts b/integration/wrappers-regression/google/protobuf/empty.ts
index 1387d7ce4..5f012de45 100644
--- a/integration/wrappers-regression/google/protobuf/empty.ts
+++ b/integration/wrappers-regression/google/protobuf/empty.ts
@@ -52,9 +52,8 @@ export const Empty = {
   },
 
   create<I extends Exact<DeepPartial<Empty>, I>>(base?: I): Empty {
-    return Empty.fromPartial(base ?? {});
+    return Empty.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Empty>, I>>(_: I): Empty {
     const message = createBaseEmpty();
     return message;
diff --git a/integration/wrappers-regression/google/protobuf/timestamp.ts b/integration/wrappers-regression/google/protobuf/timestamp.ts
index 032f4ab29..585a2e7e9 100644
--- a/integration/wrappers-regression/google/protobuf/timestamp.ts
+++ b/integration/wrappers-regression/google/protobuf/timestamp.ts
@@ -175,9 +175,8 @@ export const Timestamp = {
   },
 
   create<I extends Exact<DeepPartial<Timestamp>, I>>(base?: I): Timestamp {
-    return Timestamp.fromPartial(base ?? {});
+    return Timestamp.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Timestamp>, I>>(object: I): Timestamp {
     const message = createBaseTimestamp();
     message.seconds = object.seconds ?? 0;
diff --git a/integration/wrappers-regression/google/protobuf/wrappers.ts b/integration/wrappers-regression/google/protobuf/wrappers.ts
index 6637762f8..47d1af1f6 100644
--- a/integration/wrappers-regression/google/protobuf/wrappers.ts
+++ b/integration/wrappers-regression/google/protobuf/wrappers.ts
@@ -142,9 +142,8 @@ export const DoubleValue = {
   },
 
   create<I extends Exact<DeepPartial<DoubleValue>, I>>(base?: I): DoubleValue {
-    return DoubleValue.fromPartial(base ?? {});
+    return DoubleValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<DoubleValue>, I>>(object: I): DoubleValue {
     const message = createBaseDoubleValue();
     message.value = object.value ?? 0;
@@ -200,9 +199,8 @@ export const FloatValue = {
   },
 
   create<I extends Exact<DeepPartial<FloatValue>, I>>(base?: I): FloatValue {
-    return FloatValue.fromPartial(base ?? {});
+    return FloatValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<FloatValue>, I>>(object: I): FloatValue {
     const message = createBaseFloatValue();
     message.value = object.value ?? 0;
@@ -258,9 +256,8 @@ export const Int64Value = {
   },
 
   create<I extends Exact<DeepPartial<Int64Value>, I>>(base?: I): Int64Value {
-    return Int64Value.fromPartial(base ?? {});
+    return Int64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int64Value>, I>>(object: I): Int64Value {
     const message = createBaseInt64Value();
     message.value = object.value ?? 0;
@@ -316,9 +313,8 @@ export const UInt64Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt64Value>, I>>(base?: I): UInt64Value {
-    return UInt64Value.fromPartial(base ?? {});
+    return UInt64Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt64Value>, I>>(object: I): UInt64Value {
     const message = createBaseUInt64Value();
     message.value = object.value ?? 0;
@@ -374,9 +370,8 @@ export const Int32Value = {
   },
 
   create<I extends Exact<DeepPartial<Int32Value>, I>>(base?: I): Int32Value {
-    return Int32Value.fromPartial(base ?? {});
+    return Int32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<Int32Value>, I>>(object: I): Int32Value {
     const message = createBaseInt32Value();
     message.value = object.value ?? 0;
@@ -432,9 +427,8 @@ export const UInt32Value = {
   },
 
   create<I extends Exact<DeepPartial<UInt32Value>, I>>(base?: I): UInt32Value {
-    return UInt32Value.fromPartial(base ?? {});
+    return UInt32Value.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<UInt32Value>, I>>(object: I): UInt32Value {
     const message = createBaseUInt32Value();
     message.value = object.value ?? 0;
@@ -490,9 +484,8 @@ export const BoolValue = {
   },
 
   create<I extends Exact<DeepPartial<BoolValue>, I>>(base?: I): BoolValue {
-    return BoolValue.fromPartial(base ?? {});
+    return BoolValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BoolValue>, I>>(object: I): BoolValue {
     const message = createBaseBoolValue();
     message.value = object.value ?? false;
@@ -548,9 +541,8 @@ export const StringValue = {
   },
 
   create<I extends Exact<DeepPartial<StringValue>, I>>(base?: I): StringValue {
-    return StringValue.fromPartial(base ?? {});
+    return StringValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<StringValue>, I>>(object: I): StringValue {
     const message = createBaseStringValue();
     message.value = object.value ?? "";
@@ -606,9 +598,8 @@ export const BytesValue = {
   },
 
   create<I extends Exact<DeepPartial<BytesValue>, I>>(base?: I): BytesValue {
-    return BytesValue.fromPartial(base ?? {});
+    return BytesValue.fromPartial(base ?? ({} as any));
   },
-
   fromPartial<I extends Exact<DeepPartial<BytesValue>, I>>(object: I): BytesValue {
     const message = createBaseBytesValue();
     message.value = object.value ?? new Uint8Array(0);
diff --git a/src/main.ts b/src/main.ts
index bbfaedbad..8efce8ac2 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -2091,19 +2091,17 @@ function generateFromPartial(ctx: Context, fullName: string, messageDesc: Descri
   if (ctx.options.useExactTypes) {
     chunks.push(code`
       create<I extends ${utils.Exact}<${utils.DeepPartial}<${fullName}>, I>>(base?: I): ${fullName} {
+        return ${fullName}.fromPartial(base ?? ({} as any));
+      },  
     `);
   } else {
     chunks.push(code`
       create(base?: ${utils.DeepPartial}<${fullName}>): ${fullName} {
+        return ${fullName}.fromPartial(base ?? {});
+      },  
     `);
   }
 
-  chunks.push(code`
-    return ${fullName}.fromPartial(base ?? {})
-  `);
-
-  chunks.push(code`},`, code``);
-
   // create the fromPartial function declaration
   const paramName = messageDesc.field.length > 0 ? "object" : "_";