public Builder mergePreprocessingConfig(
        com.google.cloud.video.livestream.v1.PreprocessingConfig value) {
      if (preprocessingConfigBuilder_ == null) {
        if (((bitField0_ & 0x00000080) != 0)
            && preprocessingConfig_ != null
            && preprocessingConfig_
                != com.google.cloud.video.livestream.v1.PreprocessingConfig.getDefaultInstance()) {
          getPreprocessingConfigBuilder().mergeFrom(value);
        } else {
          preprocessingConfig_ = value;
        }
      } else {
        preprocessingConfigBuilder_.mergeFrom(value);
      }
      if (preprocessingConfig_ != null) {
        bitField0_ |= 0x00000080;
        onChanged();
      }
      return this;
    }
<pre>
Preprocessing configurations.
</pre>

<code>.google.cloud.video.livestream.v1.PreprocessingConfig preprocessing_config = 9;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Input.java