public CompositionEvent(string typeArg, CompositionEventInit compositionEventInitDict =null)
            : base(typeArg, compositionEventInitDict)
        {
            if (compositionEventInitDict == null)
            compositionEventInitDict = new CompositionEventInit();

            data = compositionEventInitDict.data;
            locale = compositionEventInitDict.locale;
        }
        public CompositionEvent(string typeArg, CompositionEventInit compositionEventInitDict = null) : base(typeArg, compositionEventInitDict)
        {
            if (compositionEventInitDict == null)
            {
                compositionEventInitDict = new CompositionEventInit();
            }

            data   = compositionEventInitDict.data;
            locale = compositionEventInitDict.locale;
        }