(self)
Removes the placeholder in the queue that represents this resource.
        Called if there was an error and this element needs to be removed from the queue.
Removes the placeholder in the queue that represents this resource.
        Called if there was an error and this element needs to be removed from the queue.
Removes the placeholder in the queue that represents this resource . Called if there was an error and this element needs to be removed from the queue .
def remove_placeholder(self) -> None:
        """Removes the placeholder in the queue that represents this resource.
        Called if there was an error and this element needs to be removed from the queue."""
        raise NotImplementedError()
def remove_placeholder ( self ) -> None : raise NotImplementedError ( )