public H264Settings withNumberReferenceFrames(Integer numberReferenceFrames) {
        setNumberReferenceFrames(numberReferenceFrames);
        return this;
    }
Number of reference frames to use. The encoder may use more than requested if using B-frames and/or interlaced
encoding.

@param numberReferenceFrames
       Number of reference frames to use. The encoder may use more than requested if using B-frames and/or
       interlaced encoding.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/H264Settings.java