@java.lang.Override
  public com.google.protobuf.DurationOrBuilder getIntervalOrBuilder() {
    if (extractionStrategyCase_ == 10) {
      return (com.google.protobuf.Duration) extractionStrategy_;
    }
    return com.google.protobuf.Duration.getDefaultInstance();
  }
<pre>
Starting from `0s`, create sprites at regular intervals. Specify the
interval value in seconds.
</pre>

<code>.google.protobuf.Duration interval = 10;</code>
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/SpriteSheet.java