


from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_sentencepiece_available,
    is_tf_available,
    is_tokenizers_available,
    is_torch_available,
)


A_														=      {
    "configuration_switch_transformers": [
        "SWITCH_TRANSFORMERS_PRETRAINED_CONFIG_ARCHIVE_MAP",
        "SwitchTransformersConfig",
        "SwitchTransformersOnnxConfig",
    ]
}

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							A_														=      [
							    "SWITCH_TRANSFORMERS_PRETRAINED_MODEL_ARCHIVE_LIST",
							    "SwitchTransformersEncoderModel",
							    "SwitchTransformersForConditionalGeneration",
							    "SwitchTransformersModel",
							    "SwitchTransformersPreTrainedModel",
							    "SwitchTransformersTop1Router",
							    "SwitchTransformersSparseMLP",
							]


if TYPE_CHECKING:
							from .configuration_switch_transformers import (
							    SWITCH_TRANSFORMERS_PRETRAINED_CONFIG_ARCHIVE_MAP,
							    SwitchTransformersConfig,
							    SwitchTransformersOnnxConfig,
							)

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_switch_transformers import (
														    SWITCH_TRANSFORMERS_PRETRAINED_MODEL_ARCHIVE_LIST,
														    SwitchTransformersEncoderModel,
														    SwitchTransformersForConditionalGeneration,
														    SwitchTransformersModel,
														    SwitchTransformersPreTrainedModel,
														    SwitchTransformersSparseMLP,
														    SwitchTransformersTopaRouter,
														)


else:
							import sys

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






from __future__ import annotations

class 						snake_case			:
			'''simple docstring'''

			def __init__(	self     :     int							,							lowerCAmelCase_     :     int					)					->					None:




								"""simple docstring"""






								SCREAMING_SNAKE_CASE_	      =       value
								SCREAMING_SNAKE_CASE_	      =       None
								SCREAMING_SNAKE_CASE_	      =       None

class 						snake_case			:
			'''simple docstring'''

			UpperCAmelCase       :       int

			def __init__(	self     :     Union[str, Any]					)					->					None:




								"""simple docstring"""






								SCREAMING_SNAKE_CASE_	      =       0

			def _lowercase (	self     :     Optional[int]							,							lowerCAmelCase_     :     Node | None							,							lowerCAmelCase_     :     int					)					->					None:




								"""simple docstring"""






								if node is None:
													return

								if path_sum == self.target:
													self.paths += 1

								if node.left:
													self.depth_first_search(node.left							,							path_sum + node.left.value					)
								if node.right:
													self.depth_first_search(node.right							,							path_sum + node.right.value					)




			def _lowercase (	self     :     str							,							lowerCAmelCase_     :     Node | None							,							lowerCAmelCase_     :     int | None = None					)					->					int:




								"""simple docstring"""






								if node is None:
													return 0
								if target is not None:
													SCREAMING_SNAKE_CASE_	      =       target

								self.depth_first_search(lowerCAmelCase_							,							node.value					)
								self.path_sum(node.left					)
								self.path_sum(node.right					)

								return self.paths


if __name__ == "__main__":
		import doctest

		doctest.testmod()


