text: from typing import Any, Dict, NewType, Union
  
  from .custom_scalar import ScalarDefinition, ScalarWrapper
  
  
  ID = NewType("ID", str)
  
  
  def is_scalar(
      annotation: Any,
      scalar_registry: Dict[object, Union[ScalarWrapper, ScalarDefinition]],
  ) -> bool:
      if annotation in scalar_registry:
          return True
  
      return hasattr(annotation, "_scalar_definition")
  