code: def builder(self):
      from torch.utils.cpp_extension import (
          CppExtension as ExtensionBuilder,
      )
  
      compile_args = {"cxx": self.strip_empty_entries(self.cxx_args())}
  
      cpp_ext = ExtensionBuilder(
          name=self.absolute_name(),
          sources=self.strip_empty_entries(self.sources()),
          include_dirs=self.strip_empty_entries(self.include_paths()),
          libraries=self.strip_empty_entries(self.libraries_args()),
          extra_compile_args=compile_args,
      )
  
      return cpp_ext
  
label_desc: Use image node_id 1 for calling the CPUOpBuilder obj's underlying member method code with example usage: obj.builder() and returns: cpp_ext