public String getGopSizeUnits() {
        return this.gopSizeUnits;
    }
Relates to the GOP structure. Specifies whether the gopSize is specified in frames or seconds. If you do not plan
to change the default gopSize, leave the default. If you specify SECONDS, MediaLive will internally convert the
gop size to a frame count.

@return Relates to the GOP structure. Specifies whether the gopSize is specified in frames or seconds. If you do
        not plan to change the default gopSize, leave the default. If you specify SECONDS, MediaLive will
        internally convert the gop size to a frame count.
@see Mpeg2GopSizeUnits
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/Mpeg2Settings.java