@Override
    public InputSerialization clone() {
        try {
            return (InputSerialization) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new IllegalStateException("Got a CloneNotSupportedException from Object.clone() " + "even though we're Cloneable!", e);
        }
    }
Specifies object's compression format. Valid values: NONE, GZIP. Default Value: NONE.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/InputSerialization.java