docs(regen): update javadoc from protoc update

proto-google-cloud-bigquerydatatransfer-v1/src/main/java/com/google/cloud/bigquery/datatransfer/v1/CheckValidCredsRequest.java

@@ -46,6 +46,12 @@ private CheckValidCredsRequest() {
     name_ = "";
   }
 
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new CheckValidCredsRequest();
+  }
+
   @java.lang.Override
   public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
     return this.unknownFields;
@@ -59,7 +65,6 @@ private CheckValidCredsRequest(
     if (extensionRegistry == null) {
       throw new java.lang.NullPointerException();
     }
-    int mutable_bitField0_ = 0;
     com.google.protobuf.UnknownFieldSet.Builder unknownFields =
         com.google.protobuf.UnknownFieldSet.newBuilder();
     try {
@@ -125,6 +130,8 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * <code>
    * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * </code>
+   *
+   * @return The name.
    */
   public java.lang.String getName() {
     java.lang.Object ref = name_;
@@ -149,6 +156,8 @@ public java.lang.String getName() {
    * <code>
    * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * </code>
+   *
+   * @return The bytes for name.
    */
   public com.google.protobuf.ByteString getNameBytes() {
     java.lang.Object ref = name_;
@@ -503,6 +512,8 @@ public Builder mergeFrom(
      * <code>
      * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * </code>
+     *
+     * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
@@ -527,6 +538,8 @@ public java.lang.String getName() {
      * <code>
      * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * </code>
+     *
+     * @return The bytes for name.
      */
     public com.google.protobuf.ByteString getNameBytes() {
       java.lang.Object ref = name_;
@@ -551,6 +564,9 @@ public com.google.protobuf.ByteString getNameBytes() {
      * <code>
      * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
      */
     public Builder setName(java.lang.String value) {
       if (value == null) {
@@ -573,6 +589,8 @@ public Builder setName(java.lang.String value) {
      * <code>
      * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * </code>
+     *
+     * @return This builder for chaining.
      */
     public Builder clearName() {
 
@@ -592,6 +610,9 @@ public Builder clearName() {
      * <code>
      * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
      */
     public Builder setNameBytes(com.google.protobuf.ByteString value) {
       if (value == null) {

proto-google-cloud-bigquerydatatransfer-v1/src/main/java/com/google/cloud/bigquery/datatransfer/v1/CheckValidCredsRequestOrBuilder.java

@@ -35,6 +35,8 @@ public interface CheckValidCredsRequestOrBuilder
    * <code>
    * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * </code>
+   *
+   * @return The name.
    */
   java.lang.String getName();
   /**
@@ -49,6 +51,8 @@ public interface CheckValidCredsRequestOrBuilder
    * <code>
    * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * </code>
+   *
+   * @return The bytes for name.
    */
   com.google.protobuf.ByteString getNameBytes();
 }

proto-google-cloud-bigquerydatatransfer-v1/src/main/java/com/google/cloud/bigquery/datatransfer/v1/CheckValidCredsResponse.java

@@ -39,6 +39,12 @@ private CheckValidCredsResponse(com.google.protobuf.GeneratedMessageV3.Builder<?
 
   private CheckValidCredsResponse() {}
 
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new CheckValidCredsResponse();
+  }
+
   @java.lang.Override
   public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
     return this.unknownFields;
@@ -52,7 +58,6 @@ private CheckValidCredsResponse(
     if (extensionRegistry == null) {
       throw new java.lang.NullPointerException();
     }
-    int mutable_bitField0_ = 0;
     com.google.protobuf.UnknownFieldSet.Builder unknownFields =
         com.google.protobuf.UnknownFieldSet.newBuilder();
     try {
@@ -112,6 +117,8 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * </pre>
    *
    * <code>bool has_valid_creds = 1;</code>
+   *
+   * @return The hasValidCreds.
    */
   public boolean getHasValidCreds() {
     return hasValidCreds_;
@@ -450,6 +457,8 @@ public Builder mergeFrom(
      * </pre>
      *
      * <code>bool has_valid_creds = 1;</code>
+     *
+     * @return The hasValidCreds.
      */
     public boolean getHasValidCreds() {
       return hasValidCreds_;
@@ -462,6 +471,9 @@ public boolean getHasValidCreds() {
      * </pre>
      *
      * <code>bool has_valid_creds = 1;</code>
+     *
+     * @param value The hasValidCreds to set.
+     * @return This builder for chaining.
      */
     public Builder setHasValidCreds(boolean value) {
 
@@ -477,6 +489,8 @@ public Builder setHasValidCreds(boolean value) {
      * </pre>
      *
      * <code>bool has_valid_creds = 1;</code>
+     *
+     * @return This builder for chaining.
      */
     public Builder clearHasValidCreds() {
 

proto-google-cloud-bigquerydatatransfer-v1/src/main/java/com/google/cloud/bigquery/datatransfer/v1/CheckValidCredsResponseOrBuilder.java

@@ -31,6 +31,8 @@ public interface CheckValidCredsResponseOrBuilder
    * </pre>
    *
    * <code>bool has_valid_creds = 1;</code>
+   *
+   * @return The hasValidCreds.
    */
   boolean getHasValidCreds();
 }