code: def registry_storage(cls):
  		
  		if cls.__registry_storage__ is None:
  			raise ValueError('__registry_storage__ must be defined')
  		if isinstance(cls.__registry_storage__, WTaskDependencyRegistryStorage) is False:
  			raise TypeError(
  				"Property '__registry_storage__' is invalid (must derived from WTaskRegistryBase)"
  			)
  
  		return cls.__registry_storage__
docs: Get registry storage
  
  		:return: WTaskDependencyRegistryStorage