(self, node: Definition)
:param node: The definition to add to the definition-use graph.
:param node: The definition to add to the definition-use graph.
: param node : The definition to add to the definition - use graph .
def add_node(self, node: Definition) -> None:
        """
        :param node: The definition to add to the definition-use graph.
        """
        self._graph.add_node(node)
def add_node ( self , node : Definition ) -> None : self . _graph . add_node ( node )