code: def sources(self):
      return [
          "csrc/kernels/x86/util.cc",
          "csrc/kernels/x86/gemm.cpp",
          "csrc/pybind/pybind_kernel_x86.cpp",
      ]
  
file_path: lightseq/lightseq/csrc/pytorch/builder/x86_kernel_builder.py
imports: import torch
  import pathlib
  import os
  from .builder import OpBuilder
  from .builder import installed_cuda_version
label_desc: Use image node_id 3 for calling the X86KernelBuilder obj's underlying member method code with example usage: obj.sources() and returns: list