code: def to_dict(self):
          
          vars = super(FunctionDoc, self).to_dict()
          vars.update({
              'name': self.name,
              'params': [param.to_dict() for param in self.params],
              'options': [option.to_dict() for option in self.options],
              'exceptions': [exc.to_dict() for exc in self.exceptions],
              'return_val': self.return_val.to_dict(),
              'is_private': self.is_private,
              'is_constructor': self.is_constructor,
              'member': self.member
          })
          return vars
docs: Convert this FunctionDoc to a dictionary.  In addition to `CommentDoc`
          keys, this adds:
  
              - **name**: The function name
              - **params**: A list of parameter dictionaries
              - **options**: A list of option dictionaries
              - **exceptions**: A list of exception dictionaries
              - **return_val**: A dictionary describing the return type, as per `ParamDoc`
              - **is_private**: True if private
              - **is_constructor**: True if a constructor
              - **member**: The raw text of the member property.