public void setSegmentLength(Integer segmentLength) {
        this.segmentLength = segmentLength;
    }
Specify the length, in whole seconds, of each segment. When you don't specify a value, MediaConvert defaults to
10. Related settings: Use Segment length control to specify whether the encoder enforces this value strictly. Use
Segment control to specify whether MediaConvert creates separate segment files or one content file that has
metadata to mark the segment boundaries.

@param segmentLength
       Specify the length, in whole seconds, of each segment. When you don't specify a value, MediaConvert
       defaults to 10. Related settings: Use Segment length control to specify whether the encoder enforces this
       value strictly. Use Segment control to specify whether MediaConvert creates separate segment files or one
       content file that has metadata to mark the segment boundaries.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/CmafGroupSettings.java