diff --git a/src/main/java/io/grafeas/v1/GrafeasClient.java b/src/main/java/io/grafeas/v1/GrafeasClient.java
index a3ae6468..d9024593 100644
--- a/src/main/java/io/grafeas/v1/GrafeasClient.java
+++ b/src/main/java/io/grafeas/v1/GrafeasClient.java
@@ -16,7 +16,6 @@
 
 package io.grafeas.v1;
 
-import com.google.api.core.ApiFunction;
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
@@ -1750,12 +1749,7 @@ public static ApiFuture<ListOccurrencesPagedResponse> createAsync(
           ListOccurrencesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListOccurrencesPage, ListOccurrencesPagedResponse>() {
-            @Override
-            public ListOccurrencesPagedResponse apply(ListOccurrencesPage input) {
-              return new ListOccurrencesPagedResponse(input);
-            }
-          },
+          input -> new ListOccurrencesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
@@ -1827,14 +1821,7 @@ public static ApiFuture<ListNotesPagedResponse> createAsync(
       ApiFuture<ListNotesPage> futurePage =
           ListNotesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
-          futurePage,
-          new ApiFunction<ListNotesPage, ListNotesPagedResponse>() {
-            @Override
-            public ListNotesPagedResponse apply(ListNotesPage input) {
-              return new ListNotesPagedResponse(input);
-            }
-          },
-          MoreExecutors.directExecutor());
+          futurePage, input -> new ListNotesPagedResponse(input), MoreExecutors.directExecutor());
     }
 
     private ListNotesPagedResponse(ListNotesPage page) {
@@ -1904,12 +1891,7 @@ public static ApiFuture<ListNoteOccurrencesPagedResponse> createAsync(
           ListNoteOccurrencesPage.createEmptyPage().createPageAsync(context, futureResponse);
       return ApiFutures.transform(
           futurePage,
-          new ApiFunction<ListNoteOccurrencesPage, ListNoteOccurrencesPagedResponse>() {
-            @Override
-            public ListNoteOccurrencesPagedResponse apply(ListNoteOccurrencesPage input) {
-              return new ListNoteOccurrencesPagedResponse(input);
-            }
-          },
+          input -> new ListNoteOccurrencesPagedResponse(input),
           MoreExecutors.directExecutor());
     }
 
diff --git a/src/main/java/io/grafeas/v1/GrafeasSettings.java b/src/main/java/io/grafeas/v1/GrafeasSettings.java
index 4e1e6228..5a5cdba3 100644
--- a/src/main/java/io/grafeas/v1/GrafeasSettings.java
+++ b/src/main/java/io/grafeas/v1/GrafeasSettings.java
@@ -233,14 +233,13 @@ public GrafeasStubSettings.Builder getStubSettingsBuilder() {
       return ((GrafeasStubSettings.Builder) getStubSettings());
     }
 
-    // NEXT_MAJOR_VER: remove 'throws Exception'.
     /**
      * Applies the given settings updater function to all of the unary API methods in this service.
      *
      * <p>Note: This method does not support applying settings to streaming methods.
      */
     public Builder applyToAllUnaryMethods(
-        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) throws Exception {
+        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) {
       super.applyToAllUnaryMethods(
           getStubSettingsBuilder().unaryMethodSettingsBuilders(), settingsUpdater);
       return this;
diff --git a/src/main/java/io/grafeas/v1/stub/GrafeasStubSettings.java b/src/main/java/io/grafeas/v1/stub/GrafeasStubSettings.java
index 397360ac..85b7d2ea 100644
--- a/src/main/java/io/grafeas/v1/stub/GrafeasStubSettings.java
+++ b/src/main/java/io/grafeas/v1/stub/GrafeasStubSettings.java
@@ -707,14 +707,13 @@ private static Builder initDefaults(Builder builder) {
       return builder;
     }
 
-    // NEXT_MAJOR_VER: remove 'throws Exception'.
     /**
      * Applies the given settings updater function to all of the unary API methods in this service.
      *
      * <p>Note: This method does not support applying settings to streaming methods.
      */
     public Builder applyToAllUnaryMethods(
-        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) throws Exception {
+        ApiFunction<UnaryCallSettings.Builder<?, ?>, Void> settingsUpdater) {
       super.applyToAllUnaryMethods(unaryMethodSettingsBuilders, settingsUpdater);
       return this;
     }
diff --git a/src/main/java/io/grafeas/v1/stub/GrpcGrafeasStub.java b/src/main/java/io/grafeas/v1/stub/GrpcGrafeasStub.java
index 420237c3..f56d1d40 100644
--- a/src/main/java/io/grafeas/v1/stub/GrpcGrafeasStub.java
+++ b/src/main/java/io/grafeas/v1/stub/GrpcGrafeasStub.java
@@ -25,7 +25,6 @@
 import com.google.api.gax.grpc.GrpcCallSettings;
 import com.google.api.gax.grpc.GrpcStubCallableFactory;
 import com.google.api.gax.rpc.ClientContext;
-import com.google.api.gax.rpc.RequestParamsExtractor;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.stub.GrpcOperationsStub;
@@ -54,7 +53,6 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
-import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -270,13 +268,10 @@ protected GrpcGrafeasStub(
         GrpcCallSettings.<GetOccurrenceRequest, Occurrence>newBuilder()
             .setMethodDescriptor(getOccurrenceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetOccurrenceRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetOccurrenceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<ListOccurrencesRequest, ListOccurrencesResponse>
@@ -284,39 +279,30 @@ public Map<String, String> extract(GetOccurrenceRequest request) {
             GrpcCallSettings.<ListOccurrencesRequest, ListOccurrencesResponse>newBuilder()
                 .setMethodDescriptor(listOccurrencesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListOccurrencesRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListOccurrencesRequest request) {
-                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                        params.put("parent", String.valueOf(request.getParent()));
-                        return params.build();
-                      }
+                    request -> {
+                      ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                      params.put("parent", String.valueOf(request.getParent()));
+                      return params.build();
                     })
                 .build();
     GrpcCallSettings<DeleteOccurrenceRequest, Empty> deleteOccurrenceTransportSettings =
         GrpcCallSettings.<DeleteOccurrenceRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteOccurrenceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteOccurrenceRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteOccurrenceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<CreateOccurrenceRequest, Occurrence> createOccurrenceTransportSettings =
         GrpcCallSettings.<CreateOccurrenceRequest, Occurrence>newBuilder()
             .setMethodDescriptor(createOccurrenceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateOccurrenceRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateOccurrenceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("parent", String.valueOf(request.getParent()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("parent", String.valueOf(request.getParent()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<BatchCreateOccurrencesRequest, BatchCreateOccurrencesResponse>
@@ -325,91 +311,70 @@ public Map<String, String> extract(CreateOccurrenceRequest request) {
                 .<BatchCreateOccurrencesRequest, BatchCreateOccurrencesResponse>newBuilder()
                 .setMethodDescriptor(batchCreateOccurrencesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<BatchCreateOccurrencesRequest>() {
-                      @Override
-                      public Map<String, String> extract(BatchCreateOccurrencesRequest request) {
-                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                        params.put("parent", String.valueOf(request.getParent()));
-                        return params.build();
-                      }
+                    request -> {
+                      ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                      params.put("parent", String.valueOf(request.getParent()));
+                      return params.build();
                     })
                 .build();
     GrpcCallSettings<UpdateOccurrenceRequest, Occurrence> updateOccurrenceTransportSettings =
         GrpcCallSettings.<UpdateOccurrenceRequest, Occurrence>newBuilder()
             .setMethodDescriptor(updateOccurrenceMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpdateOccurrenceRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpdateOccurrenceRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<GetOccurrenceNoteRequest, Note> getOccurrenceNoteTransportSettings =
         GrpcCallSettings.<GetOccurrenceNoteRequest, Note>newBuilder()
             .setMethodDescriptor(getOccurrenceNoteMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetOccurrenceNoteRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetOccurrenceNoteRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<GetNoteRequest, Note> getNoteTransportSettings =
         GrpcCallSettings.<GetNoteRequest, Note>newBuilder()
             .setMethodDescriptor(getNoteMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<GetNoteRequest>() {
-                  @Override
-                  public Map<String, String> extract(GetNoteRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<ListNotesRequest, ListNotesResponse> listNotesTransportSettings =
         GrpcCallSettings.<ListNotesRequest, ListNotesResponse>newBuilder()
             .setMethodDescriptor(listNotesMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<ListNotesRequest>() {
-                  @Override
-                  public Map<String, String> extract(ListNotesRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("parent", String.valueOf(request.getParent()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("parent", String.valueOf(request.getParent()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<DeleteNoteRequest, Empty> deleteNoteTransportSettings =
         GrpcCallSettings.<DeleteNoteRequest, Empty>newBuilder()
             .setMethodDescriptor(deleteNoteMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<DeleteNoteRequest>() {
-                  @Override
-                  public Map<String, String> extract(DeleteNoteRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<CreateNoteRequest, Note> createNoteTransportSettings =
         GrpcCallSettings.<CreateNoteRequest, Note>newBuilder()
             .setMethodDescriptor(createNoteMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<CreateNoteRequest>() {
-                  @Override
-                  public Map<String, String> extract(CreateNoteRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("parent", String.valueOf(request.getParent()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("parent", String.valueOf(request.getParent()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<BatchCreateNotesRequest, BatchCreateNotesResponse>
@@ -417,26 +382,20 @@ public Map<String, String> extract(CreateNoteRequest request) {
             GrpcCallSettings.<BatchCreateNotesRequest, BatchCreateNotesResponse>newBuilder()
                 .setMethodDescriptor(batchCreateNotesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<BatchCreateNotesRequest>() {
-                      @Override
-                      public Map<String, String> extract(BatchCreateNotesRequest request) {
-                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                        params.put("parent", String.valueOf(request.getParent()));
-                        return params.build();
-                      }
+                    request -> {
+                      ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                      params.put("parent", String.valueOf(request.getParent()));
+                      return params.build();
                     })
                 .build();
     GrpcCallSettings<UpdateNoteRequest, Note> updateNoteTransportSettings =
         GrpcCallSettings.<UpdateNoteRequest, Note>newBuilder()
             .setMethodDescriptor(updateNoteMethodDescriptor)
             .setParamsExtractor(
-                new RequestParamsExtractor<UpdateNoteRequest>() {
-                  @Override
-                  public Map<String, String> extract(UpdateNoteRequest request) {
-                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                    params.put("name", String.valueOf(request.getName()));
-                    return params.build();
-                  }
+                request -> {
+                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                  params.put("name", String.valueOf(request.getName()));
+                  return params.build();
                 })
             .build();
     GrpcCallSettings<ListNoteOccurrencesRequest, ListNoteOccurrencesResponse>
@@ -444,13 +403,10 @@ public Map<String, String> extract(UpdateNoteRequest request) {
             GrpcCallSettings.<ListNoteOccurrencesRequest, ListNoteOccurrencesResponse>newBuilder()
                 .setMethodDescriptor(listNoteOccurrencesMethodDescriptor)
                 .setParamsExtractor(
-                    new RequestParamsExtractor<ListNoteOccurrencesRequest>() {
-                      @Override
-                      public Map<String, String> extract(ListNoteOccurrencesRequest request) {
-                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
-                        params.put("name", String.valueOf(request.getName()));
-                        return params.build();
-                      }
+                    request -> {
+                      ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                      params.put("name", String.valueOf(request.getName()));
+                      return params.build();
                     })
                 .build();
 
@@ -614,7 +570,13 @@ public UnaryCallable<UpdateNoteRequest, Note> updateNoteCallable() {
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override
diff --git a/synth.metadata b/synth.metadata
index fa142b82..fa5279de 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -11,8 +11,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "551681f25e36b11829e87e580281350461f4f3f5",
-        "internalRef": "379784268"
+        "sha": "d9eaf41de44d953458b18712a3f240bb4c564e48",
+        "internalRef": "388535346"
       }
     },
     {