@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      color_ = null;
      if (colorBuilder_ != null) {
        colorBuilder_.dispose();
        colorBuilder_ = null;
      }
      denoise_ = null;
      if (denoiseBuilder_ != null) {
        denoiseBuilder_.dispose();
        denoiseBuilder_ = null;
      }
      deblock_ = null;
      if (deblockBuilder_ != null) {
        deblockBuilder_.dispose();
        deblockBuilder_ = null;
      }
      audio_ = null;
      if (audioBuilder_ != null) {
        audioBuilder_.dispose();
        audioBuilder_ = null;
      }
      crop_ = null;
      if (cropBuilder_ != null) {
        cropBuilder_.dispose();
        cropBuilder_ = null;
      }
      pad_ = null;
      if (padBuilder_ != null) {
        padBuilder_.dispose();
        padBuilder_ = null;
      }
      deinterlace_ = null;
      if (deinterlaceBuilder_ != null) {
        deinterlaceBuilder_.dispose();
        deinterlaceBuilder_ = null;
      }
      return this;
    }
<pre>
Preprocessing configurations.
</pre>

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