private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration,
            com.google.protobuf.Duration.Builder,
            com.google.protobuf.DurationOrBuilder>
        getEndOffsetFieldBuilder() {
      if (endOffsetBuilder_ == null) {
        endOffsetBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Duration,
                com.google.protobuf.Duration.Builder,
                com.google.protobuf.DurationOrBuilder>(
                getEndOffset(), getParentForChildren(), isClean());
        endOffset_ = null;
      }
      return endOffsetBuilder_;
    }
<pre>
Optional. The end offset of the video.
</pre>

<code>.google.protobuf.Duration end_offset = 2 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VideoMetadata.java