public void setGopClosedCadence(Integer gopClosedCadence) {
        this.gopClosedCadence = gopClosedCadence;
    }
MPEG2: default is open GOP.

@param gopClosedCadence
       MPEG2: default is open GOP.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/Mpeg2Settings.java