code: def get_code(self):
          
          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
docs: 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.