code: 
  '''simple docstring'''
  
  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,
  )
  
  
  UpperCamelCase_     			=       {"""configuration_pegasus""": ["""PEGASUS_PRETRAINED_CONFIG_ARCHIVE_MAP""", """PegasusConfig"""]}
  
  try:
       if not is_sentencepiece_available():
            raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
       pass
  else:
       UpperCamelCase_     			=       ["""PegasusTokenizer"""]
  
  try:
       if not is_tokenizers_available():
            raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
       pass
  else:
       UpperCamelCase_     			=       ["""PegasusTokenizerFast"""]
  
  try:
       if not is_torch_available():
            raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
       pass
  else:
       UpperCamelCase_     			=       [
           """PEGASUS_PRETRAINED_MODEL_ARCHIVE_LIST""",
           """PegasusForCausalLM""",
           """PegasusForConditionalGeneration""",
           """PegasusModel""",
           """PegasusPreTrainedModel""",
       ]
  
  try:
       if not is_tf_available():
            raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
       pass
  else:
       UpperCamelCase_     			=       [
           """TFPegasusForConditionalGeneration""",
           """TFPegasusModel""",
           """TFPegasusPreTrainedModel""",
       ]
  
  try:
       if not is_flax_available():
            raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
       pass
  else:
       UpperCamelCase_     			=       [
           """FlaxPegasusForConditionalGeneration""",
           """FlaxPegasusModel""",
           """FlaxPegasusPreTrainedModel""",
       ]
  
  
  if TYPE_CHECKING:
       from .configuration_pegasus import PEGASUS_PRETRAINED_CONFIG_ARCHIVE_MAP, PegasusConfig
  
       try:
            if not is_sentencepiece_available():
                 raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
            pass
       else:
            from .tokenization_pegasus import PegasusTokenizer
  
       try:
            if not is_tokenizers_available():
                 raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
            pass
       else:
            from .tokenization_pegasus_fast import PegasusTokenizerFast
  
       try:
            if not is_torch_available():
                 raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
            pass
       else:
            from .modeling_pegasus import (
                PEGASUS_PRETRAINED_MODEL_ARCHIVE_LIST,
                PegasusForCausalLM,
                PegasusForConditionalGeneration,
                PegasusModel,
                PegasusPreTrainedModel,
            )
  
       try:
            if not is_tf_available():
                 raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
            pass
       else:
            from .modeling_tf_pegasus import TFPegasusForConditionalGeneration, TFPegasusModel, TFPegasusPreTrainedModel
  
       try:
            if not is_flax_available():
                 raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
            pass
       else:
            from .modeling_flax_pegasus import (
                FlaxPegasusForConditionalGeneration,
                FlaxPegasusModel,
                FlaxPegasusPreTrainedModel,
            )
  
  else:
       import sys
  
       UpperCamelCase_     			=       _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)
  
  
  
style_context: 
  '''simple docstring'''
  
  from ..utils import DummyObject, requires_backends
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				str    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				str    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				int    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[str]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Any    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				str    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Dict    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Tuple    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[int]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[int]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Dict    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[str]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Dict    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[str]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Any    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				str    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Any    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				str    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[str]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Dict    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Dict    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				int    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[int]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				int    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Any    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				str    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				int    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[int]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				List[str]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Union[str, Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Any    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  
  class   a_  (metaclass=_a    ):
         __lowerCAmelCase    :				Optional[Any]    =      ["""tokenizers"""]
  
  
  
  
         def __init__(     self   ,   *snake_case_   ,   **snake_case_  ):
           requires_backends(self   ,   ["""tokenizers"""]  )
  
  
  