public com.google.protobuf.ByteString getSourceBytes() {
        java.lang.Object ref = source_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b =
              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
          source_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
<pre>
Full name of the resource to transfer as specified in the request.
</pre>

<code>string source = 1;</code>

@return The bytes for source.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/BatchTransferResourcesResponse.java