




from ..utils import DummyObject, requires_backends







class 						lowercase							(   metaclass=UpperCamelCase__		):
     _a							 =						["note_seq"]

     def __init__(  self		,     *_a		,     **_a				)						->							Dict:
           requires_backends(self		,     ["""note_seq"""]				)

     @classmethod
     def 					a__	(  cls		,     *_a		,     **_a				)						->							Optional[int]:
           requires_backends(cls		,     ["""note_seq"""]				)



     @classmethod
     def 					a__	(  cls		,     *_a		,     **_a				)						->							Tuple:
           requires_backends(cls		,     ["""note_seq"""]				)







def 				lowerCAmelCase_	(     snake_case_     ):
      if number < 0:
            raise ValueError("""number must not be negative"""     )
      return number & (number - 1) == 0


if __name__ == "__main__":
  import doctest

  doctest.testmod()

