diff --git a/google-cloud-clients/google-cloud-automl/src/main/java/com/google/cloud/automl/v1beta1/AutoMlClient.java b/google-cloud-clients/google-cloud-automl/src/main/java/com/google/cloud/automl/v1beta1/AutoMlClient.java
index 3ba4d60974fb..1bff23d0f233 100644
--- a/google-cloud-clients/google-cloud-automl/src/main/java/com/google/cloud/automl/v1beta1/AutoMlClient.java
+++ b/google-cloud-clients/google-cloud-automl/src/main/java/com/google/cloud/automl/v1beta1/AutoMlClient.java
@@ -509,7 +509,7 @@ public final UnaryCallable<ListDatasetsRequest, ListDatasetsResponse> listDatase
    * <pre><code>
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   DatasetName name = DatasetName.of("[PROJECT]", "[LOCATION]", "[DATASET]");
-   *   Empty response = autoMlClient.deleteDatasetAsync(name).get();
+   *   autoMlClient.deleteDatasetAsync(name).get();
    * }
    * </code></pre>
    *
@@ -536,7 +536,7 @@ public final OperationFuture<Empty, OperationMetadata> deleteDatasetAsync(Datase
    * <pre><code>
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   DatasetName name = DatasetName.of("[PROJECT]", "[LOCATION]", "[DATASET]");
-   *   Empty response = autoMlClient.deleteDatasetAsync(name.toString()).get();
+   *   autoMlClient.deleteDatasetAsync(name.toString()).get();
    * }
    * </code></pre>
    *
@@ -565,7 +565,7 @@ public final OperationFuture<Empty, OperationMetadata> deleteDatasetAsync(String
    *   DeleteDatasetRequest request = DeleteDatasetRequest.newBuilder()
    *     .setName(name.toString())
    *     .build();
-   *   Empty response = autoMlClient.deleteDatasetAsync(request).get();
+   *   autoMlClient.deleteDatasetAsync(request).get();
    * }
    * </code></pre>
    *
@@ -593,9 +593,9 @@ public final OperationFuture<Empty, OperationMetadata> deleteDatasetAsync(
    *   DeleteDatasetRequest request = DeleteDatasetRequest.newBuilder()
    *     .setName(name.toString())
    *     .build();
-   *   OperationFuture&lt;Operation&gt; future = autoMlClient.deleteDatasetOperationCallable().futureCall(request);
+   *   OperationFuture&lt;Empty, OperationMetadata&gt; future = autoMlClient.deleteDatasetOperationCallable().futureCall(request);
    *   // Do something
-   *   Empty response = future.get();
+   *   future.get();
    * }
    * </code></pre>
    */
@@ -640,7 +640,7 @@ public final UnaryCallable<DeleteDatasetRequest, Operation> deleteDatasetCallabl
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   DatasetName name = DatasetName.of("[PROJECT]", "[LOCATION]", "[DATASET]");
    *   InputConfig inputConfig = InputConfig.newBuilder().build();
-   *   Empty response = autoMlClient.importDataAsync(name, inputConfig).get();
+   *   autoMlClient.importDataAsync(name, inputConfig).get();
    * }
    * </code></pre>
    *
@@ -673,7 +673,7 @@ public final OperationFuture<Empty, OperationMetadata> importDataAsync(
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   DatasetName name = DatasetName.of("[PROJECT]", "[LOCATION]", "[DATASET]");
    *   InputConfig inputConfig = InputConfig.newBuilder().build();
-   *   Empty response = autoMlClient.importDataAsync(name.toString(), inputConfig).get();
+   *   autoMlClient.importDataAsync(name.toString(), inputConfig).get();
    * }
    * </code></pre>
    *
@@ -707,7 +707,7 @@ public final OperationFuture<Empty, OperationMetadata> importDataAsync(
    *     .setName(name.toString())
    *     .setInputConfig(inputConfig)
    *     .build();
-   *   Empty response = autoMlClient.importDataAsync(request).get();
+   *   autoMlClient.importDataAsync(request).get();
    * }
    * </code></pre>
    *
@@ -736,9 +736,9 @@ public final OperationFuture<Empty, OperationMetadata> importDataAsync(
    *     .setName(name.toString())
    *     .setInputConfig(inputConfig)
    *     .build();
-   *   OperationFuture&lt;Operation&gt; future = autoMlClient.importDataOperationCallable().futureCall(request);
+   *   OperationFuture&lt;Empty, OperationMetadata&gt; future = autoMlClient.importDataOperationCallable().futureCall(request);
    *   // Do something
-   *   Empty response = future.get();
+   *   future.get();
    * }
    * </code></pre>
    */
@@ -784,7 +784,7 @@ public final UnaryCallable<ImportDataRequest, Operation> importDataCallable() {
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   DatasetName name = DatasetName.of("[PROJECT]", "[LOCATION]", "[DATASET]");
    *   OutputConfig outputConfig = OutputConfig.newBuilder().build();
-   *   Empty response = autoMlClient.exportDataAsync(name, outputConfig).get();
+   *   autoMlClient.exportDataAsync(name, outputConfig).get();
    * }
    * </code></pre>
    *
@@ -816,7 +816,7 @@ public final OperationFuture<Empty, OperationMetadata> exportDataAsync(
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   DatasetName name = DatasetName.of("[PROJECT]", "[LOCATION]", "[DATASET]");
    *   OutputConfig outputConfig = OutputConfig.newBuilder().build();
-   *   Empty response = autoMlClient.exportDataAsync(name.toString(), outputConfig).get();
+   *   autoMlClient.exportDataAsync(name.toString(), outputConfig).get();
    * }
    * </code></pre>
    *
@@ -849,7 +849,7 @@ public final OperationFuture<Empty, OperationMetadata> exportDataAsync(
    *     .setName(name.toString())
    *     .setOutputConfig(outputConfig)
    *     .build();
-   *   Empty response = autoMlClient.exportDataAsync(request).get();
+   *   autoMlClient.exportDataAsync(request).get();
    * }
    * </code></pre>
    *
@@ -878,9 +878,9 @@ public final OperationFuture<Empty, OperationMetadata> exportDataAsync(
    *     .setName(name.toString())
    *     .setOutputConfig(outputConfig)
    *     .build();
-   *   OperationFuture&lt;Operation&gt; future = autoMlClient.exportDataOperationCallable().futureCall(request);
+   *   OperationFuture&lt;Empty, OperationMetadata&gt; future = autoMlClient.exportDataOperationCallable().futureCall(request);
    *   // Do something
-   *   Empty response = future.get();
+   *   future.get();
    * }
    * </code></pre>
    */
@@ -1024,7 +1024,7 @@ public final OperationFuture<Model, OperationMetadata> createModelAsync(
    *     .setParent(parent.toString())
    *     .setModel(model)
    *     .build();
-   *   OperationFuture&lt;Operation&gt; future = autoMlClient.createModelOperationCallable().futureCall(request);
+   *   OperationFuture&lt;Model, OperationMetadata&gt; future = autoMlClient.createModelOperationCallable().futureCall(request);
    *   // Do something
    *   Model response = future.get();
    * }
@@ -1291,7 +1291,7 @@ public final UnaryCallable<ListModelsRequest, ListModelsResponse> listModelsCall
    * <pre><code>
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   ModelName name = ModelName.of("[PROJECT]", "[LOCATION]", "[MODEL]");
-   *   Empty response = autoMlClient.deleteModelAsync(name).get();
+   *   autoMlClient.deleteModelAsync(name).get();
    * }
    * </code></pre>
    *
@@ -1319,7 +1319,7 @@ public final OperationFuture<Empty, OperationMetadata> deleteModelAsync(ModelNam
    * <pre><code>
    * try (AutoMlClient autoMlClient = AutoMlClient.create()) {
    *   ModelName name = ModelName.of("[PROJECT]", "[LOCATION]", "[MODEL]");
-   *   Empty response = autoMlClient.deleteModelAsync(name.toString()).get();
+   *   autoMlClient.deleteModelAsync(name.toString()).get();
    * }
    * </code></pre>
    *
@@ -1349,7 +1349,7 @@ public final OperationFuture<Empty, OperationMetadata> deleteModelAsync(String n
    *   DeleteModelRequest request = DeleteModelRequest.newBuilder()
    *     .setName(name.toString())
    *     .build();
-   *   Empty response = autoMlClient.deleteModelAsync(request).get();
+   *   autoMlClient.deleteModelAsync(request).get();
    * }
    * </code></pre>
    *
@@ -1378,9 +1378,9 @@ public final OperationFuture<Empty, OperationMetadata> deleteModelAsync(
    *   DeleteModelRequest request = DeleteModelRequest.newBuilder()
    *     .setName(name.toString())
    *     .build();
-   *   OperationFuture&lt;Operation&gt; future = autoMlClient.deleteModelOperationCallable().futureCall(request);
+   *   OperationFuture&lt;Empty, OperationMetadata&gt; future = autoMlClient.deleteModelOperationCallable().futureCall(request);
    *   // Do something
-   *   Empty response = future.get();
+   *   future.get();
    * }
    * </code></pre>
    */
diff --git a/google-cloud-clients/google-cloud-automl/synth.metadata b/google-cloud-clients/google-cloud-automl/synth.metadata
index a2f6058d115a..3939a870d33c 100644
--- a/google-cloud-clients/google-cloud-automl/synth.metadata
+++ b/google-cloud-clients/google-cloud-automl/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-01-30T08:34:37.857517Z",
+  "updateTime": "2019-02-06T08:33:43.321407Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.7",
-        "dockerImage": "googleapis/artman@sha256:d6c8ced606eb49973ca95d2af7c55a681acc042db0f87d135968349e7bf6dd80"
+        "version": "0.16.9",
+        "dockerImage": "googleapis/artman@sha256:80c39fa84e7203c8f355e01bdeef82155013cc39dcaa48fba7a6fe2c253623e3"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "f0195b40fd5f5f412e6819ac01df08cedb8e5fd7",
-        "internalRef": "231440809"
+        "sha": "fb6037c65475bce990d8dcef955c66b0bdcb6e4a",
+        "internalRef": "232615156"
       }
     }
   ],