(self, *args)
Returns: get classes indices, class number and booster dimension and class
Returns: get classes indices, class number and booster dimension and class
Returns : get classes indices class number and booster dimension and class
def check_label(self, *args) -> typing.Tuple[typing.List[int], int, int]:
        """
        Returns: get classes indices, class number and booster dimension and class
        """
        raise NotImplementedError()
def check_label ( self , * args ) -> typing . Tuple [ typing . List [ int ] , int , int ] : raise NotImplementedError ( )