code: from typing import List, Union
  
  from ...configuration_utils import PretrainedConfig
  from ...utils import logging
  
  
  lowerCamelCase__           =				logging.get_logger(__name__)
  
  lowerCamelCase__           =				{
      'allenai/led-base-16384': 'https://huggingface.co/allenai/led-base-16384/resolve/main/config.json',
      # See all LED models at https://huggingface.co/models?filter=led
  }
  
  
  
  
  class 					UpperCamelCase	(     snake_case__      ):
  					__UpperCamelCase						=   """led"""
  					__UpperCamelCase						=   {
  					    """num_attention_heads""": """encoder_attention_heads""",
  					    """hidden_size""": """d_model""",
  					    """attention_probs_dropout_prob""": """attention_dropout""",
  					    """initializer_range""": """init_std""",
  					}
  
  
  
  
  					def __init__( self :					Optional[Any]      ,_lowerCAmelCase :					int=50_265      ,_lowerCAmelCase :					Tuple=16_384      ,_lowerCAmelCase :					Dict=1_024      ,_lowerCAmelCase :					Tuple=12      ,_lowerCAmelCase :					int=4_096      ,_lowerCAmelCase :					Any=16      ,_lowerCAmelCase :					List[str]=12      ,_lowerCAmelCase :					Any=4_096      ,_lowerCAmelCase :					Optional[Any]=16      ,_lowerCAmelCase :					Optional[Any]=0.0      ,_lowerCAmelCase :					Any=0.0      ,_lowerCAmelCase :					Optional[int]=True      ,_lowerCAmelCase :					Any=True      ,_lowerCAmelCase :					Union[str, Any]="gelu"      ,_lowerCAmelCase :					List[str]=1_024      ,_lowerCAmelCase :					str=0.1      ,_lowerCAmelCase :					int=0.0      ,_lowerCAmelCase :					int=0.0      ,_lowerCAmelCase :					str=0.0_2      ,_lowerCAmelCase :					List[str]=2      ,_lowerCAmelCase :					int=0.0      ,_lowerCAmelCase :					Optional[int]=1      ,_lowerCAmelCase :					Optional[Any]=0      ,_lowerCAmelCase :					List[str]=2      ,_lowerCAmelCase :					Union[List[int], int] = 512      ,**_lowerCAmelCase :					Optional[Any]      ,):
  
  
  							"""simple docstring"""
  
  
  
  
  							__snake_case		       =     vocab_size
  							__snake_case		       =     max_encoder_position_embeddings
  							__snake_case		       =     max_decoder_position_embeddings
  							__snake_case		       =     d_model
  							__snake_case		       =     encoder_ffn_dim
  							__snake_case		       =     encoder_layers
  							__snake_case		       =     encoder_attention_heads
  							__snake_case		       =     decoder_ffn_dim
  							__snake_case		       =     decoder_layers
  							__snake_case		       =     decoder_attention_heads
  							__snake_case		       =     dropout
  							__snake_case		       =     attention_dropout
  							__snake_case		       =     activation_dropout
  							__snake_case		       =     activation_function
  							__snake_case		       =     init_std
  							__snake_case		       =     encoder_layerdrop
  							__snake_case		       =     decoder_layerdrop
  							__snake_case		       =     classifier_dropout
  							__snake_case		       =     use_cache
  							__snake_case		       =     encoder_layers
  							__snake_case		       =     attention_window
  
  							super().__init__(
  							    pad_token_id=_lowerCAmelCase      ,bos_token_id=_lowerCAmelCase      ,eos_token_id=_lowerCAmelCase      ,is_encoder_decoder=_lowerCAmelCase      ,decoder_start_token_id=_lowerCAmelCase      ,**_lowerCAmelCase      ,)
  
  
  
  
  
  
style_context: from __future__ import annotations
  
  from collections.abc import Iterable
  from dataclasses import dataclass
  from typing import Any
  
  
  
  
  class 					UpperCamelCase	:
  					__UpperCamelCase						=   ("""_front""", """_back""", """_len""")
  
  
  
  
  					@dataclass
  					class 					UpperCamelCase	:
  										__UpperCamelCase						=   None
  										__UpperCamelCase						=   None
  										__UpperCamelCase						=   None
  
  
  
  
  					class 					UpperCamelCase	:
  										__UpperCamelCase						=   ("""_cur""",)
  
  
  
  
  										def __init__( self :					Dict      ,_lowerCAmelCase :					Deque._Node | None						):
  
  
  												"""simple docstring"""
  
  
  
  
  												__snake_case		       =     cur
  
  
  
  
  										def __iter__( self :					Dict						):
  
  
  												"""simple docstring"""
  
  
  
  
  												return self
  
  
  
  
  
  
  
  										def 							UpperCamelCase_						( self :					Optional[Any]						):
  
  
  												"""simple docstring"""
  
  
  
  
  												if self._cur is None:
  														# finished iterating
  														raise StopIteration
  												__snake_case		       =     self._cur.val
  												__snake_case		       =     self._cur.next_node
  
  												return val
  
  
  
  
  					def __init__( self :					Optional[int]      ,_lowerCAmelCase :					Iterable[Any] | None = None						):
  
  
  							"""simple docstring"""
  
  
  
  
  							__snake_case		       =     None
  							__snake_case		       =     None
  							__snake_case		       =     0
  
  							if iterable is not None:
  									# append every value to the deque
  									for val in iterable:
  											self.append(_lowerCAmelCase						)
  
  
  
  
  					def 							UpperCamelCase_						( self :					int      ,_lowerCAmelCase :					Any						):
  
  
  							"""simple docstring"""
  
  
  
  
  							__snake_case		       =     self._Node(_lowerCAmelCase      ,_lowerCAmelCase      ,_lowerCAmelCase						)
  							if self.is_empty():
  									# front = back
  									__snake_case		       =     __snake_case		       =     node
  									__snake_case		       =     1
  							else:
  									# connect nodes
  									__snake_case		       =     node
  									__snake_case		       =     self._back
  									__snake_case		       =     node  # assign new back to the new node
  
  									self._len += 1
  
  									# make sure there were no errors
  									assert not self.is_empty(), "Error on appending value."
  
  
  
  
  					def 							UpperCamelCase_						( self :					Any      ,_lowerCAmelCase :					Any						):
  
  
  							"""simple docstring"""
  
  
  
  
  							__snake_case		       =     self._Node(_lowerCAmelCase      ,_lowerCAmelCase      ,_lowerCAmelCase						)
  							if self.is_empty():
  									# front = back
  									__snake_case		       =     __snake_case		       =     node
  									__snake_case		       =     1
  							else:
  									# connect nodes
  									__snake_case		       =     self._front
  									__snake_case		       =     node
  									__snake_case		       =     node  # assign new front to the new node
  
  									self._len += 1
  
  									# make sure there were no errors
  									assert not self.is_empty(), "Error on appending value."
  
  
  
  
  					def 							UpperCamelCase_						( self :					int      ,_lowerCAmelCase :					Iterable[Any]						):
  
  
  							"""simple docstring"""
  
  
  
  
  							for val in iterable:
  									self.append(_lowerCAmelCase						)
  
  
  
  
  					def 							UpperCamelCase_						( self :					Optional[int]      ,_lowerCAmelCase :					Iterable[Any]						):
  
  
  							"""simple docstring"""
  
  
  
  
  							for val in iterable:
  									self.appendleft(_lowerCAmelCase						)
  
  
  
  
  					def 							UpperCamelCase_						( self :					List[Any]						):
  
  
  							"""simple docstring"""
  
  
  
  
  							assert not self.is_empty(), "Deque is empty."
  
  							__snake_case		       =     self._back
  							__snake_case		       =     self._back.prev_node  # set new back
  							# drop the last node - python will deallocate memory automatically
  							__snake_case		       =     None
  
  							self._len -= 1
  
  							return topop.val
  
  
  
  
  					def 							UpperCamelCase_						( self :					List[str]						):
  
  
  							"""simple docstring"""
  
  
  
  
  							assert not self.is_empty(), "Deque is empty."
  
  							__snake_case		       =     self._front
  							__snake_case		       =     self._front.next_node  # set new front and drop the first node
  							__snake_case		       =     None
  
  							self._len -= 1
  
  							return topop.val
  
  
  
  
  					def 							UpperCamelCase_						( self :					int						):
  
  
  							"""simple docstring"""
  
  
  
  
  							return self._front is None
  
  
  
  
  					def __len__( self :					Tuple						):
  
  
  							"""simple docstring"""
  
  
  
  
  							return self._len
  
  
  
  
  					def __eq__( self :					Union[str, Any]      ,_lowerCAmelCase :					object						):
  
  
  							"""simple docstring"""
  
  
  
  
  							if not isinstance(_lowerCAmelCase      ,_lowerCAmelCase						):
  									return NotImplemented
  
  							__snake_case		       =     self._front
  							__snake_case		       =     other._front
  
  							# if the length of the dequeues are not the same, they are not equal
  							if len(self						) != len(_lowerCAmelCase						):
  									return False
  
  							while me is not None and oth is not None:
  									# compare every value
  									if me.val != oth.val:
  											return False
  									__snake_case		       =     me.next_node
  									__snake_case		       =     oth.next_node
  
  							return True
  
  
  
  
  					def __iter__( self :					Tuple						):
  
  
  							"""simple docstring"""
  
  
  
  
  							return Deque._Iterator(self._front						)
  
  
  
  
  
  
  
  					def __repr__( self :					List[Any]						):
  
  
  							"""simple docstring"""
  
  
  
  
  							__snake_case		       =     []
  							__snake_case		       =     self._front
  							while aux is not None:
  									# append the values in a list to display
  									values_list.append(aux.val						)
  									__snake_case		       =     aux.next_node
  
  							return F"""[{", ".join(repr(_lowerCAmelCase						) for val in values_list						)}]"""
  
  
  if __name__ == "__main__":
  		import doctest
  
  		doctest.testmod()
  
  
  
  
  
  