





class   _UpperCAmelCase	:




					class   _UpperCAmelCase	:
										__A          =   "_prev", "_data", "_next"




										def __init__(						self    ,      __lowerCAmelCase    ,      __lowerCAmelCase    ,      __lowerCAmelCase       )						->  str:
												UpperCamelCase__         =	link_p
												UpperCamelCase__         =	element
												UpperCamelCase__         =	link_n




										def 	snake_case_		(						self       )						->  Dict:
												return (
												    F""" Prev -> {self._prev is not None}, Next -> {self._next is not None}"""
												)




					def __init__(						self       )						->  Optional[int]:
							UpperCamelCase__         =	self._Node(__lowerCAmelCase    ,      __lowerCAmelCase    ,      __lowerCAmelCase       )
							UpperCamelCase__         =	self._Node(__lowerCAmelCase    ,      __lowerCAmelCase    ,      __lowerCAmelCase       )
							UpperCamelCase__         =	self._trailer
							UpperCamelCase__         =	self._header
							UpperCamelCase__         =	0




					def __len__(						self       )						->  Optional[int]:
							return self._size




					def 	snake_case_		(						self       )						->  int:
							return self.__len__() == 0




					def 	snake_case_		(						self    ,      __lowerCAmelCase    ,      __lowerCAmelCase    ,      __lowerCAmelCase       )						->  List[str]:
							# Create new_node by setting it's prev.link -> header
							# setting it's next.link -> trailer
							UpperCamelCase__         =	self._Node(__lowerCAmelCase    ,      __lowerCAmelCase    ,      __lowerCAmelCase       )
							UpperCamelCase__         =	new_node
							UpperCamelCase__         =	new_node
							self._size += 1
							return self




					def 	snake_case_		(						self    ,      __lowerCAmelCase       )						->  int:
							UpperCamelCase__         =	node._prev
							UpperCamelCase__         =	node._next

							UpperCamelCase__         =	successor
							UpperCamelCase__         =	predecessor
							self._size -= 1
							UpperCamelCase__         =	node._data
							UpperCamelCase__         =	UpperCamelCase__         =	UpperCamelCase__         =	None
							del node
							return temp




class   _UpperCAmelCase	(   _DoublyLinkedBase					):




					def 	snake_case_		(						self       )						->  Any:
							if self.is_empty():
									raise Exception("""List is empty"""       )
							return self._header._next._data




					def 	snake_case_		(						self       )						->  List[str]:
							if self.is_empty():
									raise Exception("""List is empty"""       )
							return self._trailer._prev._data




					def 	snake_case_		(						self    ,      __lowerCAmelCase       )						->  int:
							return self._insert(self._header    ,      __lowerCAmelCase    ,      self._header._next       )




					def 	snake_case_		(						self    ,      __lowerCAmelCase       )						->  str:
							return self._insert(self._trailer._prev    ,      __lowerCAmelCase    ,      self._trailer       )




					def 	snake_case_		(						self       )						->  Dict:
							if self.is_empty():
									raise IndexError("""remove_first from empty list"""       )
							return self._delete(self._header._next       )




					def 	snake_case_		(						self       )						->  Dict:
							if self.is_empty():
									raise IndexError("""remove_first from empty list"""       )
							return self._delete(self._trailer._prev       )












import warnings

from .generation import FlaxGenerationMixin




class   _UpperCAmelCase	(   _lowercase					):
					# warning at import time
					warnings.warn(
					    "Importing `FlaxGenerationMixin` from `src/transformers/generation_flax_utils.py` is deprecated and will "
					    "be removed in Transformers v5. Import as `from transformers import FlaxGenerationMixin` instead." ,       _lowercase ,       )





