fix: make request optional in all cases

src/v3/agents_client.ts

@@ -412,7 +412,7 @@ export class AgentsClient {
   // -- Service calls --
   // -------------------
   getAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetAgentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -457,7 +457,7 @@ export class AgentsClient {
    * const [response] = await client.getAgent(request);
    */
   getAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetAgentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -498,7 +498,7 @@ export class AgentsClient {
     return this.innerApiCalls.getAgent(request, options, callback);
   }
   createAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.ICreateAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ICreateAgentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -549,7 +549,7 @@ export class AgentsClient {
    * const [response] = await client.createAgent(request);
    */
   createAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.ICreateAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ICreateAgentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -592,7 +592,7 @@ export class AgentsClient {
     return this.innerApiCalls.createAgent(request, options, callback);
   }
   updateAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IUpdateAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IUpdateAgentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -643,7 +643,7 @@ export class AgentsClient {
    * const [response] = await client.updateAgent(request);
    */
   updateAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IUpdateAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IUpdateAgentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -686,7 +686,7 @@ export class AgentsClient {
     return this.innerApiCalls.updateAgent(request, options, callback);
   }
   deleteAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IDeleteAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IDeleteAgentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -735,7 +735,7 @@ export class AgentsClient {
    * const [response] = await client.deleteAgent(request);
    */
   deleteAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IDeleteAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IDeleteAgentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -778,7 +778,7 @@ export class AgentsClient {
     return this.innerApiCalls.deleteAgent(request, options, callback);
   }
   validateAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IValidateAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IValidateAgentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -831,7 +831,7 @@ export class AgentsClient {
    * const [response] = await client.validateAgent(request);
    */
   validateAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IValidateAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IValidateAgentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -874,7 +874,7 @@ export class AgentsClient {
     return this.innerApiCalls.validateAgent(request, options, callback);
   }
   getAgentValidationResult(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetAgentValidationResultRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetAgentValidationResultRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -930,7 +930,7 @@ export class AgentsClient {
    * const [response] = await client.getAgentValidationResult(request);
    */
   getAgentValidationResult(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetAgentValidationResultRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetAgentValidationResultRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -981,7 +981,7 @@ export class AgentsClient {
   }
 
   exportAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IExportAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IExportAgentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -1047,7 +1047,7 @@ export class AgentsClient {
    * const [response] = await operation.promise();
    */
   exportAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IExportAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IExportAgentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -1132,7 +1132,7 @@ export class AgentsClient {
     >;
   }
   restoreAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IRestoreAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IRestoreAgentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -1200,7 +1200,7 @@ export class AgentsClient {
    * const [response] = await operation.promise();
    */
   restoreAgent(
-    request: protos.google.cloud.dialogflow.cx.v3.IRestoreAgentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IRestoreAgentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -1282,7 +1282,7 @@ export class AgentsClient {
     >;
   }
   listAgents(
-    request: protos.google.cloud.dialogflow.cx.v3.IListAgentsRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListAgentsRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -1339,7 +1339,7 @@ export class AgentsClient {
    *   for more details and examples.
    */
   listAgents(
-    request: protos.google.cloud.dialogflow.cx.v3.IListAgentsRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListAgentsRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<

src/v3/entity_types_client.ts

@@ -365,7 +365,7 @@ export class EntityTypesClient {
   // -- Service calls --
   // -------------------
   getEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetEntityTypeRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -428,7 +428,7 @@ export class EntityTypesClient {
    * const [response] = await client.getEntityType(request);
    */
   getEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetEntityTypeRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -471,7 +471,7 @@ export class EntityTypesClient {
     return this.innerApiCalls.getEntityType(request, options, callback);
   }
   createEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.ICreateEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ICreateEntityTypeRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -534,7 +534,7 @@ export class EntityTypesClient {
    * const [response] = await client.createEntityType(request);
    */
   createEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.ICreateEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ICreateEntityTypeRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -577,7 +577,7 @@ export class EntityTypesClient {
     return this.innerApiCalls.createEntityType(request, options, callback);
   }
   updateEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.IUpdateEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IUpdateEntityTypeRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -639,7 +639,7 @@ export class EntityTypesClient {
    * const [response] = await client.updateEntityType(request);
    */
   updateEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.IUpdateEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IUpdateEntityTypeRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -682,7 +682,7 @@ export class EntityTypesClient {
     return this.innerApiCalls.updateEntityType(request, options, callback);
   }
   deleteEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.IDeleteEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IDeleteEntityTypeRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -743,7 +743,7 @@ export class EntityTypesClient {
    * const [response] = await client.deleteEntityType(request);
    */
   deleteEntityType(
-    request: protos.google.cloud.dialogflow.cx.v3.IDeleteEntityTypeRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IDeleteEntityTypeRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -787,7 +787,7 @@ export class EntityTypesClient {
   }
 
   listEntityTypes(
-    request: protos.google.cloud.dialogflow.cx.v3.IListEntityTypesRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListEntityTypesRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -857,7 +857,7 @@ export class EntityTypesClient {
    *   for more details and examples.
    */
   listEntityTypes(
-    request: protos.google.cloud.dialogflow.cx.v3.IListEntityTypesRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListEntityTypesRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<

src/v3/environments_client.ts

@@ -432,7 +432,7 @@ export class EnvironmentsClient {
   // -- Service calls --
   // -------------------
   getEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetEnvironmentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -482,7 +482,7 @@ export class EnvironmentsClient {
    * const [response] = await client.getEnvironment(request);
    */
   getEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.IGetEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IGetEnvironmentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -525,7 +525,7 @@ export class EnvironmentsClient {
     return this.innerApiCalls.getEnvironment(request, options, callback);
   }
   deleteEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.IDeleteEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IDeleteEnvironmentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -578,7 +578,7 @@ export class EnvironmentsClient {
    * const [response] = await client.deleteEnvironment(request);
    */
   deleteEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.IDeleteEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IDeleteEnvironmentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -625,7 +625,7 @@ export class EnvironmentsClient {
   }
 
   createEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.ICreateEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ICreateEnvironmentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -684,7 +684,7 @@ export class EnvironmentsClient {
    * const [response] = await operation.promise();
    */
   createEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.ICreateEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ICreateEnvironmentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -769,7 +769,7 @@ export class EnvironmentsClient {
     >;
   }
   updateEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.IUpdateEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IUpdateEnvironmentRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -827,7 +827,7 @@ export class EnvironmentsClient {
    * const [response] = await operation.promise();
    */
   updateEnvironment(
-    request: protos.google.cloud.dialogflow.cx.v3.IUpdateEnvironmentRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IUpdateEnvironmentRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -912,7 +912,7 @@ export class EnvironmentsClient {
     >;
   }
   runContinuousTest(
-    request: protos.google.cloud.dialogflow.cx.v3.IRunContinuousTestRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IRunContinuousTestRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -969,7 +969,7 @@ export class EnvironmentsClient {
    * const [response] = await operation.promise();
    */
   runContinuousTest(
-    request: protos.google.cloud.dialogflow.cx.v3.IRunContinuousTestRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IRunContinuousTestRequest,
     optionsOrCallback?:
       | CallOptions
       | Callback<
@@ -1054,7 +1054,7 @@ export class EnvironmentsClient {
     >;
   }
   listEnvironments(
-    request: protos.google.cloud.dialogflow.cx.v3.IListEnvironmentsRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListEnvironmentsRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -1111,7 +1111,7 @@ export class EnvironmentsClient {
    *   for more details and examples.
    */
   listEnvironments(
-    request: protos.google.cloud.dialogflow.cx.v3.IListEnvironmentsRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListEnvironmentsRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<
@@ -1251,7 +1251,7 @@ export class EnvironmentsClient {
     ) as AsyncIterable<protos.google.cloud.dialogflow.cx.v3.IEnvironment>;
   }
   lookupEnvironmentHistory(
-    request: protos.google.cloud.dialogflow.cx.v3.ILookupEnvironmentHistoryRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ILookupEnvironmentHistoryRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -1309,7 +1309,7 @@ export class EnvironmentsClient {
    *   for more details and examples.
    */
   lookupEnvironmentHistory(
-    request: protos.google.cloud.dialogflow.cx.v3.ILookupEnvironmentHistoryRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.ILookupEnvironmentHistoryRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<
@@ -1455,7 +1455,7 @@ export class EnvironmentsClient {
     ) as AsyncIterable<protos.google.cloud.dialogflow.cx.v3.IEnvironment>;
   }
   listContinuousTestResults(
-    request: protos.google.cloud.dialogflow.cx.v3.IListContinuousTestResultsRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListContinuousTestResultsRequest,
     options?: CallOptions
   ): Promise<
     [
@@ -1513,7 +1513,7 @@ export class EnvironmentsClient {
    *   for more details and examples.
    */
   listContinuousTestResults(
-    request: protos.google.cloud.dialogflow.cx.v3.IListContinuousTestResultsRequest,
+    request?: protos.google.cloud.dialogflow.cx.v3.IListContinuousTestResultsRequest,
     optionsOrCallback?:
       | CallOptions
       | PaginationCallback<