private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration,
            com.google.protobuf.Duration.Builder,
            com.google.protobuf.DurationOrBuilder>
        getResultEndOffsetFieldBuilder() {
      if (resultEndOffsetBuilder_ == null) {
        resultEndOffsetBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Duration,
                com.google.protobuf.Duration.Builder,
                com.google.protobuf.DurationOrBuilder>(
                getResultEndOffset(), getParentForChildren(), isClean());
        resultEndOffset_ = null;
      }
      return resultEndOffsetBuilder_;
    }
<pre>
Time offset of the end of this result relative to the beginning of the
audio.
</pre>

<code>.google.protobuf.Duration result_end_offset = 4;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/SpeechRecognitionResult.java