static public LEFT_TYPE GetValueByRight <LEFT_TYPE, RIGHT_TYPE>(this BidirectionalDictionary <LEFT_TYPE, RIGHT_TYPE> item, RIGHT_TYPE right) { return(item.GetValueByRight(right, default(LEFT_TYPE))); }
static public RIGHT_TYPE GetValueByLeft <LEFT_TYPE, RIGHT_TYPE>(this BidirectionalDictionary <LEFT_TYPE, RIGHT_TYPE> item, LEFT_TYPE left) { return(item.GetValueByLeft(left, default(RIGHT_TYPE))); }