public Builder setPreprocessingConfig(
        com.google.cloud.video.transcoder.v1.PreprocessingConfig value) {
      if (preprocessingConfigBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        preprocessingConfig_ = value;
      } else {
        preprocessingConfigBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
Preprocessing configurations.
</pre>

<code>.google.cloud.video.transcoder.v1.PreprocessingConfig preprocessing_config = 3;</code>
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Input.java