
from collections.abc import Callable







class        lowercase	:




							def __init__(       self     ,A__ = None):
												# Stores actual heap items.
												lowercase					=		[]
												# Stores indexes of each item for supporting updates and deletion.
												lowercase					=		{}
												# Stores current size of heap.
												lowercase					=		0
												# Stores function used to evaluate the score of an item on which basis ordering
												# will be done.
												lowercase					=		key or (lambda A__: x)




							def 				A__   (       self     ,A__):
												return int((i - 1) / 2) if i > 0 else None




							def 				A__   (       self     ,A__):
												lowercase					=		int(2 * i + 1)
												return left if 0 < left < self.size else None




							def 				A__   (       self     ,A__):
												lowercase					=		int(2 * i + 2)
												return right if 0 < right < self.size else None




							def 				A__   (       self     ,A__     ,A__):
												lowercase			,		lowercase					=		(
												    self.pos_map[self.arr[j][0]],
												    self.pos_map[self.arr[i][0]],
												)
												# Then swap the items in the list.
												lowercase			,		lowercase					=		self.arr[j], self.arr[i]




							def 				A__   (       self     ,A__     ,A__):
												return self.arr[i][1] < self.arr[j][1]




							def 				A__   (       self     ,A__):
												lowercase					=		self._left(A__)
												lowercase					=		self._right(A__)
												lowercase					=		i

												if left is not None and not self._cmp(A__     ,A__):
																	lowercase					=		left
												if right is not None and not self._cmp(A__     ,A__):
																	lowercase					=		right

												return valid_parent




							def 				A__   (       self     ,A__):
												lowercase					=		self._parent(A__)
												while parent is not None and not self._cmp(A__     ,A__):
																	self._swap(A__     ,A__)
																	lowercase			,		lowercase					=		parent, self._parent(A__)




							def 				A__   (       self     ,A__):
												lowercase					=		self._get_valid_parent(A__)
												while valid_parent != index:
																	self._swap(A__     ,A__)
																	lowercase			,		lowercase					=		valid_parent, self._get_valid_parent(A__)




							def 				A__   (       self     ,A__     ,A__):
												if item not in self.pos_map:
																	return
												lowercase					=		self.pos_map[item]
												lowercase					=		[item, self.key(A__)]
												# Make sure heap is right in both up and down direction.
												# Ideally only one of them will make any change.
												self._heapify_up(A__)
												self._heapify_down(A__)




							def 				A__   (       self     ,A__):
												if item not in self.pos_map:
																	return
												lowercase					=		self.pos_map[item]
												del self.pos_map[item]
												lowercase					=		self.arr[self.size - 1]
												lowercase					=		index
												self.size -= 1
												# Make sure heap is right in both up and down direction. Ideally only one
												# of them will make any change- so no performance loss in calling both.
												if self.size > index:
																	self._heapify_up(A__)
																	self._heapify_down(A__)




							def 				A__   (       self     ,A__     ,A__):
												lowercase					=		len(self.arr)
												if arr_len == self.size:
																	self.arr.append([item, self.key(A__)])
												else:
																	lowercase					=		[item, self.key(A__)]
												lowercase					=		self.size
												self.size += 1
												self._heapify_up(self.size - 1)




							def 				A__   (       self):
												return self.arr[0] if self.size else None





							def 				A__   (       self):
												lowercase					=		self.get_top()
												if top_item_tuple:
																	self.delete_item(top_item_tuple[0])
												return top_item_tuple



def  UpperCamelCase					(							):
					'''simple docstring'''


if __name__ == "__main__":
							import doctest

							doctest.testmod()






from typing import TYPE_CHECKING

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


lowercase__	:Tuple										=					{
    "configuration_biogpt": ["BIOGPT_PRETRAINED_CONFIG_ARCHIVE_MAP", "BioGptConfig"],
    "tokenization_biogpt": ["BioGptTokenizer"],
}

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							lowercase__	:Union[str, Any]										=					[
							    "BIOGPT_PRETRAINED_MODEL_ARCHIVE_LIST",
							    "BioGptForCausalLM",
							    "BioGptForTokenClassification",
							    "BioGptForSequenceClassification",
							    "BioGptModel",
							    "BioGptPreTrainedModel",
							]


if TYPE_CHECKING:
							from .configuration_biogpt import BIOGPT_PRETRAINED_CONFIG_ARCHIVE_MAP, BioGptConfig
							from .tokenization_biogpt import BioGptTokenizer

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_biogpt import (
														    BIOGPT_PRETRAINED_MODEL_ARCHIVE_LIST,
														    BioGptForCausalLM,
														    BioGptForSequenceClassification,
														    BioGptForTokenClassification,
														    BioGptModel,
														    BioGptPreTrainedModel,
														)


else:
							import sys

							lowercase__	:Any										=					_LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)




