public int getMaximumBytes() {
    return mMaximumBytes;
  }
Gets the maximum bytes that the backend can use to cache image frames in memory.

@return maximumBytes maximum bytes that the backend can use to cache image frames in memory or
    -1 to use the default
animated-base/src/main/java/com/facebook/imagepipeline/animated/base/AnimatedDrawableOptionsBuilder.java