code: def builder(self):
      from torch.utils.cpp_extension import CUDAExtension
  
      assert_no_cuda_mismatch()
      return CUDAExtension(
          name=self.absolute_name(),
          sources=self.sources(),
          include_dirs=self.include_paths(),
          extra_compile_args={
              "cxx": self.cxx_args(),
              "nvcc": self.nvcc_args(),
          },
      )
  
imports: import os
  import time
  import torch
  import importlib
  from pathlib import Path
  import subprocess
  from abc import ABC, abstractmethod
label_desc: Use image node_id 4 for calling the CUDAOpBuilder obj's underlying member method code with example usage: obj.builder() and returns: CUDAExtension