@java.lang.Override
  public com.google.protobuf.ByteString getUriBytes() {
    java.lang.Object ref = uri_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      uri_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Output only. The URI of the audio file being transcribed. Empty if the
audio was sent as byte content.
</pre>

<code>string uri = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The bytes for uri.
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/LongRunningRecognizeMetadata.java