@Override
    public String toString() {
        return this.value;
    }
When set to PCR_EVERY_PES_PACKET, a Program Clock Reference value is inserted for every Packetized Elementary Stream
(PES) header. This is effective only when the PCR PID is the same as the video or audio elementary stream.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/M2tsPcrControl.java