public CmafGroupSettings withFragmentLength(Integer fragmentLength) {
        setFragmentLength(fragmentLength);
        return this;
    }
Specify the length, in whole seconds, of the mp4 fragments. When you don't specify a value, MediaConvert defaults
to 2. Related setting: Use Fragment length control to specify whether the encoder enforces this value strictly.

@param fragmentLength
       Specify the length, in whole seconds, of the mp4 fragments. When you don't specify a value, MediaConvert
       defaults to 2. Related setting: Use Fragment length control to specify whether the encoder enforces this
       value strictly.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/CmafGroupSettings.java