code: def header(self) -> IndentedBuffer:
      res = IndentedBuffer()
      res.splice(
          """
                  #include <exception>
                  #include <iostream>
                  #include <memory>
                  #include <random>
                  #include <vector>
              """
      )
      return res
  
imports: import functools
  import itertools
  import logging
  from typing import List, Optional
  from unittest.mock import patch
  import sympy
  import torch
  from ...autotune_process import CUDABenchmarkRequest, TensorMeta
  from ...ir import Buffer, CUDATemplateBuffer, IRNode, Layout
  from ...utils import IndentedBuffer, unique
  from ...virtualized import V
  from ..common import KernelTemplate
  from .cuda_kernel import CUDATemplateCaller, CUDATemplateKernel
label_desc: Use image node_id 3 for calling the CUDATemplate obj's underlying member method code with example usage: obj.header() and returns: res