content: from textwrap import dedent
  
  
  class DashException(Exception):
      def __init__(self, msg=""):
          super().__init__(dedent(msg).strip())
  
  
  class ObsoleteKwargException(DashException):
      pass
  
  
  class ObsoleteAttributeException(DashException):
      pass
  
  
  class NoLayoutException(DashException):
      pass
  
  
  class CallbackException(DashException):
      pass
  
  
  class NonExistentEventException(CallbackException):
      pass
  
  
  class IncorrectTypeException(CallbackException):
      pass
  
  
  class IDsCantContainPeriods(CallbackException):
      pass
  
  
  class WildcardInLongCallback(CallbackException):
      pass
  
  
  # Better error name now that more than periods are not permitted.
  class InvalidComponentIdError(IDsCantContainPeriods):
      pass
  
  
  class PreventUpdate(CallbackException):
      pass
  
  
  class DuplicateIdError(DashException):
      pass
  
  
  class InvalidCallbackReturnValue(CallbackException):
      pass
  
  
  class InvalidConfig(DashException):
      pass
  
  
  class InvalidResourceError(DashException):
      pass
  
  
  class InvalidIndexException(DashException):
      pass
  
  
  class DependencyException(DashException):
      pass
  
  
  class ResourceException(DashException):
      pass
  
  
  class MissingCallbackContextException(CallbackException):
      pass
  
  
  class UnsupportedRelativePath(CallbackException):
      pass
  
  
  class ProxyError(DashException):
      pass
  
  
  class DuplicateCallback(DashException):
      pass
  
  
  class BackgroundCallbackError(DashException):
      pass
  
  
  class MissingLongCallbackManagerError(DashException):
      pass
  
  
  class PageError(DashException):
      pass
  
  
  class ImportedInsideCallbackError(DashException):
      pass
  
  
  class HookError(DashException):
      pass
  