@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + SATURATION_FIELD_NUMBER;
      hash =
          (53 * hash)
              + com.google.protobuf.Internal.hashLong(
                  java.lang.Double.doubleToLongBits(getSaturation()));
      hash = (37 * hash) + CONTRAST_FIELD_NUMBER;
      hash =
          (53 * hash)
              + com.google.protobuf.Internal.hashLong(
                  java.lang.Double.doubleToLongBits(getContrast()));
      hash = (37 * hash) + BRIGHTNESS_FIELD_NUMBER;
      hash =
          (53 * hash)
              + com.google.protobuf.Internal.hashLong(
                  java.lang.Double.doubleToLongBits(getBrightness()));
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
Control brightness of the video. Enter a value between -1 and 1, where -1
is minimum brightness and 1 is maximum brightness. 0 is no change. The
default is 0.
</pre>

<code>double brightness = 3;</code>

@return The brightness.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/PreprocessingConfig.java