






class        a__      :





		class        a__      :
				UpperCAmelCase_							:       Dict 					= '_prev', '_data', '_next'






				def __init__(      self							, lowercase__							, lowercase__							, lowercase__						)				->				List[Any]:
						__A    =							link_p
						__A    =							element
						__A    =							link_n






				def 					_lowerCamelCase					(      self						)				->				Optional[Any]:
						return (
						    F""" Prev -> {self._prev is not None}, Next -> {self._next is not None}"""
						)






		def __init__(      self						)				->				Union[str, Any]:
				__A    =							self._Node(lowercase__							, lowercase__							, lowercase__						)
				__A    =							self._Node(lowercase__							, lowercase__							, lowercase__						)
				__A    =							self._trailer
				__A    =							self._header
				__A    =							0






		def __len__(      self						)				->				Tuple:
				return self._size






		def 					_lowerCamelCase					(      self						)				->				List[str]:
				return self.__len__() == 0






		def 					_lowerCamelCase					(      self							, lowercase__							, lowercase__							, lowercase__						)				->				str:
				# Create new_node by setting it's prev.link -> header
				# setting it's next.link -> trailer
				__A    =							self._Node(lowercase__							, lowercase__							, lowercase__						)
				__A    =							new_node
				__A    =							new_node
				self._size += 1
				return self






		def 					_lowerCamelCase					(      self							, lowercase__						)				->				Tuple:
				__A    =							node._prev
				__A    =							node._next

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





class        a__      (	_DoublyLinkedBase		):






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






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






		def 					_lowerCamelCase					(      self							, lowercase__						)				->				List[str]:
				return self._insert(self._header							, lowercase__							, self._header._next						)






		def 					_lowerCamelCase					(      self							, lowercase__						)				->				int:
				return self._insert(self._trailer._prev							, lowercase__							, self._trailer						)






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






		def 					_lowerCamelCase					(      self						)				->				List[str]:
				if self.is_empty():
						raise IndexError("remove_first from empty list"						)
				return self._delete(self._trailer._prev						)





"""simple docstring"""







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_sentencepiece_available, is_tokenizers_available


__a      			= {}

try:
						if not is_sentencepiece_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						__a      			= ["BarthezTokenizer"]

try:
						if not is_tokenizers_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						__a      			= ["BarthezTokenizerFast"]


if TYPE_CHECKING:
						try:
												if not is_sentencepiece_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .tokenization_barthez import BarthezTokenizer

						try:
												if not is_tokenizers_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .tokenization_barthez_fast import BarthezTokenizerFast

else:
						import sys

						__a      			= _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)