public Mpeg2Settings withGopNumBFrames(Integer gopNumBFrames) {
        setGopNumBFrames(gopNumBFrames);
        return this;
    }
Relates to the GOP structure. The number of B-frames between reference frames. If you do not know what a B-frame
is, use the default.

@param gopNumBFrames
       Relates to the GOP structure. The number of B-frames between reference frames. If you do not know what a
       B-frame is, use the default.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/Mpeg2Settings.java