@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      key_ = "";
      if (videoStreamBuilder_ != null) {
        videoStreamBuilder_.clear();
      }
      if (audioStreamBuilder_ != null) {
        audioStreamBuilder_.clear();
      }
      if (textStreamBuilder_ != null) {
        textStreamBuilder_.clear();
      }
      elementaryStreamCase_ = 0;
      elementaryStream_ = null;
      return this;
    }
<pre>
Encoding of an input file such as an audio, video, or text track.
Elementary streams must be packaged before
mapping and sharing between different output formats.
</pre>

Protobuf type {@code google.cloud.video.transcoder.v1.ElementaryStream}
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/ElementaryStream.java