@java.lang.Override
    public com.google.protobuf.ByteString getUriBytes() {
      java.lang.Object ref = "";
      if (audioSourceCase_ == 1) {
        ref = audioSource_;
      }
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        if (audioSourceCase_ == 1) {
          audioSource_ = b;
        }
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Cloud Storage URI for the audio file.
</pre>

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

@return The bytes for uri.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/BatchRecognizeFileMetadata.java