@java.lang.Override
    public com.google.protobuf.ByteString getBucketBytes() {
      java.lang.Object ref = bucket_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        bucket_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Required. Bucket name for the objects to be transformed.
</pre>

<code>string bucket = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bytes for bucket.
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/BucketList.java