@Override
    public String toString() {
        return this.value;
    }
When set to SINGLE_FILE, a single output file is generated, which is internally segmented using the Fragment Length
and Segment Length. When set to SEGMENTED_FILES, separate segment files will be created.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/DashIsoSegmentControl.java