@Override
    public FlatDataList copy() {
        FlatDataList copy = new FlatDataList();
        copy.internalData.addAll(this.internalData);
        return copy;
    }
@ Override public FlatDataList copy ( ) { FlatDataList copy = new FlatDataList ( ) ; copy . internalData . addAll ( this . internalData ) ; return copy ; }
{@inheritDoc}