Get the stub code for this node.

        The stub code for a node consists of the type annotations of its variables,
        followed by the prototypes of its functions/methods and classes.

        :sig: () -> List[str]
        :return: Lines of stub code for this node.

def get_code(self):
        """Get the stub code for this node.

        The stub code for a node consists of the type annotations of its variables,
        followed by the prototypes of its functions/methods and classes.

        :sig: () -> List[str]
        :return: Lines of stub code for this node.
        """
        stub = []
        for child in self.variables:
            stub.extend(child.get_code())
        if (
            (len(self.variables) > 0)
            and (len(self.children) > 0)
            and (not isinstance(self, ClassNode))
        ):
            stub.append("")
        for child in self.children:
            stub.extend(child.get_code())
        return stub