@java.lang.Override
  public boolean hasPreprocessingConfig() {
    return ((bitField0_ & 0x00000001) != 0);
  }
<pre>
Preprocessing configurations.
</pre>

<code>.google.cloud.video.transcoder.v1.PreprocessingConfig preprocessing_config = 3;</code>

@return Whether the preprocessingConfig field is set.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Input.java