code: def interfaces(self) -> GraphQLInterfaceList:
          
          try:
              interfaces = resolve_thunk(self._interfaces)
          except GraphQLError:
              raise
          except Exception as error:
              raise TypeError(f"{self.name} interfaces cannot be resolved: {error}")
          if interfaces is None:
              interfaces = []
          if not isinstance(interfaces, (list, tuple)):
              raise TypeError(
                  f"{self.name} interfaces must be a list/tuple"
                  " or a function which returns a list/tuple."
              )
          if not all(isinstance(value, GraphQLInterfaceType) for value in interfaces):
              raise TypeError(f"{self.name} interfaces must be GraphQLInterface objects.")
          return interfaces[:]
docs: Get provided interfaces.