diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Asset.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Asset.java
index fd52d0263463..84ba94ab1de2 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Asset.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Asset.java
@@ -98,7 +98,7 @@ private Asset(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -369,19 +369,18 @@ public boolean equals(final java.lang.Object obj) {
     }
     com.google.cloud.asset.v1beta1.Asset other = (com.google.cloud.asset.v1beta1.Asset) obj;
 
-    boolean result = true;
-    result = result && getName().equals(other.getName());
-    result = result && getAssetType().equals(other.getAssetType());
-    result = result && (hasResource() == other.hasResource());
+    if (!getName().equals(other.getName())) return false;
+    if (!getAssetType().equals(other.getAssetType())) return false;
+    if (hasResource() != other.hasResource()) return false;
     if (hasResource()) {
-      result = result && getResource().equals(other.getResource());
+      if (!getResource().equals(other.getResource())) return false;
     }
-    result = result && (hasIamPolicy() == other.hasIamPolicy());
+    if (hasIamPolicy() != other.hasIamPolicy()) return false;
     if (hasIamPolicy()) {
-      result = result && getIamPolicy().equals(other.getIamPolicy());
+      if (!getIamPolicy().equals(other.getIamPolicy())) return false;
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -608,35 +607,35 @@ public com.google.cloud.asset.v1beta1.Asset buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -902,7 +901,7 @@ public Builder setAssetTypeBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private com.google.cloud.asset.v1beta1.Resource resource_ = null;
+    private com.google.cloud.asset.v1beta1.Resource resource_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.asset.v1beta1.Resource,
             com.google.cloud.asset.v1beta1.Resource.Builder,
@@ -1083,7 +1082,7 @@ public com.google.cloud.asset.v1beta1.ResourceOrBuilder getResourceOrBuilder() {
       return resourceBuilder_;
     }
 
-    private com.google.iam.v1.Policy iamPolicy_ = null;
+    private com.google.iam.v1.Policy iamPolicy_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.iam.v1.Policy,
             com.google.iam.v1.Policy.Builder,
@@ -1269,7 +1268,7 @@ public com.google.iam.v1.PolicyOrBuilder getIamPolicyOrBuilder() {
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryRequest.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryRequest.java
index 0e898a4d37ee..b3aed23ff5e5 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryRequest.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryRequest.java
@@ -62,7 +62,7 @@ private BatchGetAssetsHistoryRequest(
           case 18:
             {
               java.lang.String s = input.readStringRequireUtf8();
-              if (!((mutable_bitField0_ & 0x00000002) == 0x00000002)) {
+              if (!((mutable_bitField0_ & 0x00000002) != 0)) {
                 assetNames_ = new com.google.protobuf.LazyStringArrayList();
                 mutable_bitField0_ |= 0x00000002;
               }
@@ -94,7 +94,7 @@ private BatchGetAssetsHistoryRequest(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -106,7 +106,7 @@ private BatchGetAssetsHistoryRequest(
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
-      if (((mutable_bitField0_ & 0x00000002) == 0x00000002)) {
+      if (((mutable_bitField0_ & 0x00000002) != 0)) {
         assetNames_ = assetNames_.getUnmodifiableView();
       }
       this.unknownFields = unknownFields.build();
@@ -408,16 +408,15 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryRequest other =
         (com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryRequest) obj;
 
-    boolean result = true;
-    result = result && getParent().equals(other.getParent());
-    result = result && getAssetNamesList().equals(other.getAssetNamesList());
-    result = result && contentType_ == other.contentType_;
-    result = result && (hasReadTimeWindow() == other.hasReadTimeWindow());
+    if (!getParent().equals(other.getParent())) return false;
+    if (!getAssetNamesList().equals(other.getAssetNamesList())) return false;
+    if (contentType_ != other.contentType_) return false;
+    if (hasReadTimeWindow() != other.hasReadTimeWindow()) return false;
     if (hasReadTimeWindow()) {
-      result = result && getReadTimeWindow().equals(other.getReadTimeWindow());
+      if (!getReadTimeWindow().equals(other.getReadTimeWindow())) return false;
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -627,7 +626,7 @@ public com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryRequest buildPartial(
       int from_bitField0_ = bitField0_;
       int to_bitField0_ = 0;
       result.parent_ = parent_;
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+      if (((bitField0_ & 0x00000002) != 0)) {
         assetNames_ = assetNames_.getUnmodifiableView();
         bitField0_ = (bitField0_ & ~0x00000002);
       }
@@ -645,35 +644,35 @@ public com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryRequest buildPartial(
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -849,7 +848,7 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
         com.google.protobuf.LazyStringArrayList.EMPTY;
 
     private void ensureAssetNamesIsMutable() {
-      if (!((bitField0_ & 0x00000002) == 0x00000002)) {
+      if (!((bitField0_ & 0x00000002) != 0)) {
         assetNames_ = new com.google.protobuf.LazyStringArrayList(assetNames_);
         bitField0_ |= 0x00000002;
       }
@@ -1118,7 +1117,7 @@ public Builder clearContentType() {
       return this;
     }
 
-    private com.google.cloud.asset.v1beta1.TimeWindow readTimeWindow_ = null;
+    private com.google.cloud.asset.v1beta1.TimeWindow readTimeWindow_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.asset.v1beta1.TimeWindow,
             com.google.cloud.asset.v1beta1.TimeWindow.Builder,
@@ -1347,7 +1346,7 @@ public com.google.cloud.asset.v1beta1.TimeWindowOrBuilder getReadTimeWindowOrBui
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryResponse.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryResponse.java
index 91ee2e7d2801..fc4af58570c8 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryResponse.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/BatchGetAssetsHistoryResponse.java
@@ -52,7 +52,7 @@ private BatchGetAssetsHistoryResponse(
             break;
           case 10:
             {
-              if (!((mutable_bitField0_ & 0x00000001) == 0x00000001)) {
+              if (!((mutable_bitField0_ & 0x00000001) != 0)) {
                 assets_ = new java.util.ArrayList<com.google.cloud.asset.v1beta1.TemporalAsset>();
                 mutable_bitField0_ |= 0x00000001;
               }
@@ -63,7 +63,7 @@ private BatchGetAssetsHistoryResponse(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -75,7 +75,7 @@ private BatchGetAssetsHistoryResponse(
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
-      if (((mutable_bitField0_ & 0x00000001) == 0x00000001)) {
+      if (((mutable_bitField0_ & 0x00000001) != 0)) {
         assets_ = java.util.Collections.unmodifiableList(assets_);
       }
       this.unknownFields = unknownFields.build();
@@ -207,10 +207,9 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryResponse other =
         (com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryResponse) obj;
 
-    boolean result = true;
-    result = result && getAssetsList().equals(other.getAssetsList());
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!getAssetsList().equals(other.getAssetsList())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -408,7 +407,7 @@ public com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryResponse buildPartial
           new com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryResponse(this);
       int from_bitField0_ = bitField0_;
       if (assetsBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        if (((bitField0_ & 0x00000001) != 0)) {
           assets_ = java.util.Collections.unmodifiableList(assets_);
           bitField0_ = (bitField0_ & ~0x00000001);
         }
@@ -422,35 +421,35 @@ public com.google.cloud.asset.v1beta1.BatchGetAssetsHistoryResponse buildPartial
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -530,7 +529,7 @@ public Builder mergeFrom(
         java.util.Collections.emptyList();
 
     private void ensureAssetsIsMutable() {
-      if (!((bitField0_ & 0x00000001) == 0x00000001)) {
+      if (!((bitField0_ & 0x00000001) != 0)) {
         assets_ = new java.util.ArrayList<com.google.cloud.asset.v1beta1.TemporalAsset>(assets_);
         bitField0_ |= 0x00000001;
       }
@@ -869,10 +868,7 @@ public com.google.cloud.asset.v1beta1.TemporalAsset.Builder addAssetsBuilder(int
                 com.google.cloud.asset.v1beta1.TemporalAsset,
                 com.google.cloud.asset.v1beta1.TemporalAsset.Builder,
                 com.google.cloud.asset.v1beta1.TemporalAssetOrBuilder>(
-                assets_,
-                ((bitField0_ & 0x00000001) == 0x00000001),
-                getParentForChildren(),
-                isClean());
+                assets_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
         assets_ = null;
       }
       return assetsBuilder_;
@@ -880,7 +876,7 @@ public com.google.cloud.asset.v1beta1.TemporalAsset.Builder addAssetsBuilder(int
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsRequest.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsRequest.java
index dd6c8196d24d..579dbd03cba0 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsRequest.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsRequest.java
@@ -77,7 +77,7 @@ private ExportAssetsRequest(
           case 26:
             {
               java.lang.String s = input.readStringRequireUtf8();
-              if (!((mutable_bitField0_ & 0x00000004) == 0x00000004)) {
+              if (!((mutable_bitField0_ & 0x00000004) != 0)) {
                 assetTypes_ = new com.google.protobuf.LazyStringArrayList();
                 mutable_bitField0_ |= 0x00000004;
               }
@@ -109,7 +109,7 @@ private ExportAssetsRequest(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -121,7 +121,7 @@ private ExportAssetsRequest(
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
-      if (((mutable_bitField0_ & 0x00000004) == 0x00000004)) {
+      if (((mutable_bitField0_ & 0x00000004) != 0)) {
         assetTypes_ = assetTypes_.getUnmodifiableView();
       }
       this.unknownFields = unknownFields.build();
@@ -464,20 +464,19 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.ExportAssetsRequest other =
         (com.google.cloud.asset.v1beta1.ExportAssetsRequest) obj;
 
-    boolean result = true;
-    result = result && getParent().equals(other.getParent());
-    result = result && (hasReadTime() == other.hasReadTime());
+    if (!getParent().equals(other.getParent())) return false;
+    if (hasReadTime() != other.hasReadTime()) return false;
     if (hasReadTime()) {
-      result = result && getReadTime().equals(other.getReadTime());
+      if (!getReadTime().equals(other.getReadTime())) return false;
     }
-    result = result && getAssetTypesList().equals(other.getAssetTypesList());
-    result = result && contentType_ == other.contentType_;
-    result = result && (hasOutputConfig() == other.hasOutputConfig());
+    if (!getAssetTypesList().equals(other.getAssetTypesList())) return false;
+    if (contentType_ != other.contentType_) return false;
+    if (hasOutputConfig() != other.hasOutputConfig()) return false;
     if (hasOutputConfig()) {
-      result = result && getOutputConfig().equals(other.getOutputConfig());
+      if (!getOutputConfig().equals(other.getOutputConfig())) return false;
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -701,7 +700,7 @@ public com.google.cloud.asset.v1beta1.ExportAssetsRequest buildPartial() {
       } else {
         result.readTime_ = readTimeBuilder_.build();
       }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+      if (((bitField0_ & 0x00000004) != 0)) {
         assetTypes_ = assetTypes_.getUnmodifiableView();
         bitField0_ = (bitField0_ & ~0x00000004);
       }
@@ -719,35 +718,35 @@ public com.google.cloud.asset.v1beta1.ExportAssetsRequest buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -927,7 +926,7 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private com.google.protobuf.Timestamp readTime_ = null;
+    private com.google.protobuf.Timestamp readTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
@@ -1142,7 +1141,7 @@ public com.google.protobuf.TimestampOrBuilder getReadTimeOrBuilder() {
         com.google.protobuf.LazyStringArrayList.EMPTY;
 
     private void ensureAssetTypesIsMutable() {
-      if (!((bitField0_ & 0x00000004) == 0x00000004)) {
+      if (!((bitField0_ & 0x00000004) != 0)) {
         assetTypes_ = new com.google.protobuf.LazyStringArrayList(assetTypes_);
         bitField0_ |= 0x00000004;
       }
@@ -1398,7 +1397,7 @@ public Builder clearContentType() {
       return this;
     }
 
-    private com.google.cloud.asset.v1beta1.OutputConfig outputConfig_ = null;
+    private com.google.cloud.asset.v1beta1.OutputConfig outputConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.asset.v1beta1.OutputConfig,
             com.google.cloud.asset.v1beta1.OutputConfig.Builder,
@@ -1591,7 +1590,7 @@ public com.google.cloud.asset.v1beta1.OutputConfigOrBuilder getOutputConfigOrBui
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsResponse.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsResponse.java
index 74e0cb44185f..716f59fd9fd7 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsResponse.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/ExportAssetsResponse.java
@@ -85,7 +85,7 @@ private ExportAssetsResponse(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -251,17 +251,16 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.ExportAssetsResponse other =
         (com.google.cloud.asset.v1beta1.ExportAssetsResponse) obj;
 
-    boolean result = true;
-    result = result && (hasReadTime() == other.hasReadTime());
+    if (hasReadTime() != other.hasReadTime()) return false;
     if (hasReadTime()) {
-      result = result && getReadTime().equals(other.getReadTime());
+      if (!getReadTime().equals(other.getReadTime())) return false;
     }
-    result = result && (hasOutputConfig() == other.hasOutputConfig());
+    if (hasOutputConfig() != other.hasOutputConfig()) return false;
     if (hasOutputConfig()) {
-      result = result && getOutputConfig().equals(other.getOutputConfig());
+      if (!getOutputConfig().equals(other.getOutputConfig())) return false;
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -483,35 +482,35 @@ public com.google.cloud.asset.v1beta1.ExportAssetsResponse buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -563,7 +562,7 @@ public Builder mergeFrom(
       return this;
     }
 
-    private com.google.protobuf.Timestamp readTime_ = null;
+    private com.google.protobuf.Timestamp readTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
@@ -738,7 +737,7 @@ public com.google.protobuf.TimestampOrBuilder getReadTimeOrBuilder() {
       return readTimeBuilder_;
     }
 
-    private com.google.cloud.asset.v1beta1.OutputConfig outputConfig_ = null;
+    private com.google.cloud.asset.v1beta1.OutputConfig outputConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.asset.v1beta1.OutputConfig,
             com.google.cloud.asset.v1beta1.OutputConfig.Builder,
@@ -931,7 +930,7 @@ public com.google.cloud.asset.v1beta1.OutputConfigOrBuilder getOutputConfigOrBui
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/GcsDestination.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/GcsDestination.java
index ea5bae07f52c..ef57fe59b8d7 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/GcsDestination.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/GcsDestination.java
@@ -57,7 +57,7 @@ private GcsDestination(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -231,18 +231,16 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.GcsDestination other =
         (com.google.cloud.asset.v1beta1.GcsDestination) obj;
 
-    boolean result = true;
-    result = result && getObjectUriCase().equals(other.getObjectUriCase());
-    if (!result) return false;
+    if (!getObjectUriCase().equals(other.getObjectUriCase())) return false;
     switch (objectUriCase_) {
       case 1:
-        result = result && getUri().equals(other.getUri());
+        if (!getUri().equals(other.getUri())) return false;
         break;
       case 0:
       default:
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -444,35 +442,35 @@ public com.google.cloud.asset.v1beta1.GcsDestination buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -670,7 +668,7 @@ public Builder setUriBytes(com.google.protobuf.ByteString value) {
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/OutputConfig.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/OutputConfig.java
index 3e7838cde62c..21f20628ff17 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/OutputConfig.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/OutputConfig.java
@@ -67,7 +67,7 @@ private OutputConfig(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -227,18 +227,16 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.OutputConfig other =
         (com.google.cloud.asset.v1beta1.OutputConfig) obj;
 
-    boolean result = true;
-    result = result && getDestinationCase().equals(other.getDestinationCase());
-    if (!result) return false;
+    if (!getDestinationCase().equals(other.getDestinationCase())) return false;
     switch (destinationCase_) {
       case 1:
-        result = result && getGcsDestination().equals(other.getGcsDestination());
+        if (!getGcsDestination().equals(other.getGcsDestination())) return false;
         break;
       case 0:
       default:
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -444,35 +442,35 @@ public com.google.cloud.asset.v1beta1.OutputConfig buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -745,7 +743,7 @@ public com.google.cloud.asset.v1beta1.GcsDestinationOrBuilder getGcsDestinationO
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Resource.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Resource.java
index 2316e99b76b9..b7958c8e4619 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Resource.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/Resource.java
@@ -105,7 +105,7 @@ private Resource(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -504,18 +504,17 @@ public boolean equals(final java.lang.Object obj) {
     }
     com.google.cloud.asset.v1beta1.Resource other = (com.google.cloud.asset.v1beta1.Resource) obj;
 
-    boolean result = true;
-    result = result && getVersion().equals(other.getVersion());
-    result = result && getDiscoveryDocumentUri().equals(other.getDiscoveryDocumentUri());
-    result = result && getDiscoveryName().equals(other.getDiscoveryName());
-    result = result && getResourceUrl().equals(other.getResourceUrl());
-    result = result && getParent().equals(other.getParent());
-    result = result && (hasData() == other.hasData());
+    if (!getVersion().equals(other.getVersion())) return false;
+    if (!getDiscoveryDocumentUri().equals(other.getDiscoveryDocumentUri())) return false;
+    if (!getDiscoveryName().equals(other.getDiscoveryName())) return false;
+    if (!getResourceUrl().equals(other.getResourceUrl())) return false;
+    if (!getParent().equals(other.getParent())) return false;
+    if (hasData() != other.hasData()) return false;
     if (hasData()) {
-      result = result && getData().equals(other.getData());
+      if (!getData().equals(other.getData())) return false;
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -743,35 +742,35 @@ public com.google.cloud.asset.v1beta1.Resource buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -1398,7 +1397,7 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private com.google.protobuf.Struct data_ = null;
+    private com.google.protobuf.Struct data_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.protobuf.Struct,
             com.google.protobuf.Struct.Builder,
@@ -1582,7 +1581,7 @@ public com.google.protobuf.StructOrBuilder getDataOrBuilder() {
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TemporalAsset.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TemporalAsset.java
index 31b700867d3e..e6dbff3ecd0c 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TemporalAsset.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TemporalAsset.java
@@ -23,9 +23,7 @@ private TemporalAsset(com.google.protobuf.GeneratedMessageV3.Builder<?> builder)
     super(builder);
   }
 
-  private TemporalAsset() {
-    deleted_ = false;
-  }
+  private TemporalAsset() {}
 
   @java.lang.Override
   public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
@@ -90,7 +88,7 @@ private TemporalAsset(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -274,18 +272,17 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.TemporalAsset other =
         (com.google.cloud.asset.v1beta1.TemporalAsset) obj;
 
-    boolean result = true;
-    result = result && (hasWindow() == other.hasWindow());
+    if (hasWindow() != other.hasWindow()) return false;
     if (hasWindow()) {
-      result = result && getWindow().equals(other.getWindow());
+      if (!getWindow().equals(other.getWindow())) return false;
     }
-    result = result && (getDeleted() == other.getDeleted());
-    result = result && (hasAsset() == other.hasAsset());
+    if (getDeleted() != other.getDeleted()) return false;
+    if (hasAsset() != other.hasAsset()) return false;
     if (hasAsset()) {
-      result = result && getAsset().equals(other.getAsset());
+      if (!getAsset().equals(other.getAsset())) return false;
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -509,35 +506,35 @@ public com.google.cloud.asset.v1beta1.TemporalAsset buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -590,7 +587,7 @@ public Builder mergeFrom(
       return this;
     }
 
-    private com.google.cloud.asset.v1beta1.TimeWindow window_ = null;
+    private com.google.cloud.asset.v1beta1.TimeWindow window_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.asset.v1beta1.TimeWindow,
             com.google.cloud.asset.v1beta1.TimeWindow.Builder,
@@ -815,7 +812,7 @@ public Builder clearDeleted() {
       return this;
     }
 
-    private com.google.cloud.asset.v1beta1.Asset asset_ = null;
+    private com.google.cloud.asset.v1beta1.Asset asset_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.cloud.asset.v1beta1.Asset,
             com.google.cloud.asset.v1beta1.Asset.Builder,
@@ -994,7 +991,7 @@ public com.google.cloud.asset.v1beta1.AssetOrBuilder getAssetOrBuilder() {
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TimeWindow.java b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TimeWindow.java
index ad48d08e1971..686f6fddfa9a 100644
--- a/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TimeWindow.java
+++ b/google-api-grpc/proto-google-cloud-asset-v1beta1/src/main/java/com/google/cloud/asset/v1beta1/TimeWindow.java
@@ -80,7 +80,7 @@ private TimeWindow(
             }
           default:
             {
-              if (!parseUnknownFieldProto3(input, unknownFields, extensionRegistry, tag)) {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
                 done = true;
               }
               break;
@@ -244,17 +244,16 @@ public boolean equals(final java.lang.Object obj) {
     com.google.cloud.asset.v1beta1.TimeWindow other =
         (com.google.cloud.asset.v1beta1.TimeWindow) obj;
 
-    boolean result = true;
-    result = result && (hasStartTime() == other.hasStartTime());
+    if (hasStartTime() != other.hasStartTime()) return false;
     if (hasStartTime()) {
-      result = result && getStartTime().equals(other.getStartTime());
+      if (!getStartTime().equals(other.getStartTime())) return false;
     }
-    result = result && (hasEndTime() == other.hasEndTime());
+    if (hasEndTime() != other.hasEndTime()) return false;
     if (hasEndTime()) {
-      result = result && getEndTime().equals(other.getEndTime());
+      if (!getEndTime().equals(other.getEndTime())) return false;
     }
-    result = result && unknownFields.equals(other.unknownFields);
-    return result;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
   }
 
   @java.lang.Override
@@ -472,35 +471,35 @@ public com.google.cloud.asset.v1beta1.TimeWindow buildPartial() {
 
     @java.lang.Override
     public Builder clone() {
-      return (Builder) super.clone();
+      return super.clone();
     }
 
     @java.lang.Override
     public Builder setField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.setField(field, value);
+      return super.setField(field, value);
     }
 
     @java.lang.Override
     public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return (Builder) super.clearField(field);
+      return super.clearField(field);
     }
 
     @java.lang.Override
     public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return (Builder) super.clearOneof(oneof);
+      return super.clearOneof(oneof);
     }
 
     @java.lang.Override
     public Builder setRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return (Builder) super.setRepeatedField(field, index, value);
+      return super.setRepeatedField(field, index, value);
     }
 
     @java.lang.Override
     public Builder addRepeatedField(
         com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return (Builder) super.addRepeatedField(field, value);
+      return super.addRepeatedField(field, value);
     }
 
     @java.lang.Override
@@ -550,7 +549,7 @@ public Builder mergeFrom(
       return this;
     }
 
-    private com.google.protobuf.Timestamp startTime_ = null;
+    private com.google.protobuf.Timestamp startTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
@@ -725,7 +724,7 @@ public com.google.protobuf.TimestampOrBuilder getStartTimeOrBuilder() {
       return startTimeBuilder_;
     }
 
-    private com.google.protobuf.Timestamp endTime_ = null;
+    private com.google.protobuf.Timestamp endTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
             com.google.protobuf.Timestamp,
             com.google.protobuf.Timestamp.Builder,
@@ -911,7 +910,7 @@ public com.google.protobuf.TimestampOrBuilder getEndTimeOrBuilder() {
 
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFieldsProto3(unknownFields);
+      return super.setUnknownFields(unknownFields);
     }
 
     @java.lang.Override
diff --git a/google-cloud-clients/google-cloud-asset/synth.metadata b/google-cloud-clients/google-cloud-asset/synth.metadata
index d5abb54d674b..a0467d6f5cfb 100644
--- a/google-cloud-clients/google-cloud-asset/synth.metadata
+++ b/google-cloud-clients/google-cloud-asset/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-03-28T07:33:38.941289Z",
+  "updateTime": "2019-03-29T07:33:10.318780Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.20",
-        "dockerImage": "googleapis/artman@sha256:e3c054a2fb85a12481c722af616c7fb6f1d02d862248385eecbec3e4240ebd1e"
+        "version": "0.16.21",
+        "dockerImage": "googleapis/artman@sha256:854131ec1af7b3a313253474c24748dc0acd217a58a0b74dbfb559f340a15d78"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "6a84b3267b0a95e922608b9891219075047eee29",
-        "internalRef": "240640999"
+        "sha": "37386f1ebcaed51bcb7d15d00124d22c38606e45",
+        "internalRef": "240841842"
       }
     }
   ],