def 			A__      (	snake_case_ :		Any       ,				snake_case_ :		List[str]       ,				snake_case_ :		Optional[int]=False      ):

 if isinstance(snake_case_       ,				snake_case_      ) and isinstance(snake_case_       ,				snake_case_      ):
  SCREAMING_SNAKE_CASE__:   List[Any]=      len(set_a.intersection(snake_case_      )      )

  if alternative_union:
   SCREAMING_SNAKE_CASE__:   str=      len(snake_case_      ) + len(snake_case_      )
  else:
   SCREAMING_SNAKE_CASE__:   str=      len(set_a.union(snake_case_      )      )

  return intersection / union

 if isinstance(snake_case_       ,				(list, tuple)      ) and isinstance(snake_case_       ,				(list, tuple)      ):
  SCREAMING_SNAKE_CASE__:   str=      [element for element in set_a if element in set_b]

  if alternative_union:
   SCREAMING_SNAKE_CASE__:   Optional[int]=      len(snake_case_      ) + len(snake_case_      )
   return len(snake_case_      ) / union
  else:
   SCREAMING_SNAKE_CASE__:   Optional[Any]=      set_a + [element for element in set_b if element not in set_a]
   return len(snake_case_      ) / len(snake_case_      )

  return len(snake_case_      ) / len(snake_case_      )
 return None


if __name__ == "__main__":
      lowercase_     :   int 				=				{'a', 'b', 'c', 'd', 'e'}
      lowercase_     :   Tuple 				=				{'c', 'd', 'e', 'f', 'h', 'i'}
      print(jaccard_similarity(set_a, set_b))


from typing import TYPE_CHECKING

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


lowercase_     :   List[str] 				=				{
    'configuration_maskformer': ['MASKFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP', 'MaskFormerConfig'],
    'configuration_maskformer_swin': ['MaskFormerSwinConfig'],
}

try:
      if not is_vision_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      lowercase_     :   Optional[Any] 				=				['MaskFormerFeatureExtractor']
      lowercase_     :   Dict 				=				['MaskFormerImageProcessor']


try:
      if not is_torch_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      lowercase_     :   str 				=				[
          'MASKFORMER_PRETRAINED_MODEL_ARCHIVE_LIST',
          'MaskFormerForInstanceSegmentation',
          'MaskFormerModel',
          'MaskFormerPreTrainedModel',
      ]
      lowercase_     :   Optional[Any] 				=				[
          'MaskFormerSwinBackbone',
          'MaskFormerSwinModel',
          'MaskFormerSwinPreTrainedModel',
      ]

if TYPE_CHECKING:
      from .configuration_maskformer import MASKFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP, MaskFormerConfig
      from .configuration_maskformer_swin import MaskFormerSwinConfig

      try:
            if not is_vision_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .feature_extraction_maskformer import MaskFormerFeatureExtractor
            from .image_processing_maskformer import MaskFormerImageProcessor
      try:
            if not is_torch_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .modeling_maskformer import (
                MASKFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
                MaskFormerForInstanceSegmentation,
                MaskFormerModel,
                MaskFormerPreTrainedModel,
            )
            from .modeling_maskformer_swin import (
                MaskFormerSwinBackbone,
                MaskFormerSwinModel,
                MaskFormerSwinPreTrainedModel,
            )


else:
      import sys

      lowercase_     :   Any 				=				_LazyModule(__name__, globals()['__file__'], _import_structure)

