code: def __init__(self):
      super().__init__(
          name=MultiHeadAttnBuilder.NAME,
          prebuilt_import_path=MultiHeadAttnBuilder.PREBUILT_IMPORT_PATH,
      )
  
file_path: ColossalAI/op_builder/multi_head_attn.py
imports: from .builder import Builder
  from .utils import append_nvcc_threads, get_cuda_cc_flag
label_desc: Use image node_id 1 to create a new MultiHeadAttnBuilder object from inherited base classes: Builder with example: obj = MultiHeadAttnBuilder()