public Builder setResultEndTime(com.google.protobuf.Duration value) {
      if (resultEndTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        resultEndTime_ = value;
      } else {
        resultEndTimeBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
Time offset of the end of this result relative to the
beginning of the audio.
</pre>

<code>.google.protobuf.Duration result_end_time = 4;</code>
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/StreamingRecognitionResult.java