code: def input_state_dimension(self) -> int:
      return self.__input_dim2
  
imports: import torch
  from torch import nn
  from typing import Dict, List, Tuple
  from ptgnn.neuralmodels.gnn.messagepassing.abstractmessagepassing import AbstractMessagePassingLayer
label_desc: Use image node_id 4 for calling the LinearResidualLayer obj's underlying member method code with example usage: obj.input_state_dimension() and returns: self