static public LookupBackedSet <KEY_TYPE, VALUE_TYPE> PrependFallbacks <KEY_TYPE, VALUE_TYPE>(this LookupBackedSet <KEY_TYPE, VALUE_TYPE> item, params LookupSet <KEY_TYPE, VALUE_TYPE>[] fallbacks)
{
return(item.PrependFallbacks <KEY_TYPE, VALUE_TYPE>((IEnumerable <LookupSet <KEY_TYPE, VALUE_TYPE> >)fallbacks));
}