code: def setUp(self) -> None:
      self.selector = SelectiveBuilder.get_nop_selector()
      (
          self.custom_native_function,
          _,
      ) = torchgen.model.NativeFunction.from_yaml(
          {"func": "custom::func() -> bool"},
          loc=torchgen.model.Location(__file__, 1),
          valid_tags=set(),
      )
      (
          self.fragment_custom_native_function,
          _,
      ) = torchgen.model.NativeFunction.from_yaml(
          {"func": "quantized_decomposed::func() -> bool"},
          loc=torchgen.model.Location(__file__, 1),
          valid_tags=set(),
      )
  
imports: import dataclasses
  import typing
  import unittest
  from collections import defaultdict
  from typing import Dict, List
  import torchgen.model
  import yaml
  from tools.autograd import gen_autograd_functions, load_derivatives
  from torchgen import dest
  from torchgen.api.types import CppSignatureGroup, DispatcherSignature
  from torchgen.context import native_function_manager
  from torchgen.gen import get_native_function_declarations, get_native_function_schema_registrations, LineLoader, static_dispatch
  from torchgen.model import BackendIndex, BackendMetadata, DispatchKey, Location, NativeFunction, OperatorName
  from torchgen.native_function_generation import add_generated_native_functions
  from torchgen.selective_build.selector import SelectiveBuilder
label_desc: Use image node_id 1 for calling the TestGenSchemaRegistration obj's underlying member method code with example usage: obj.setUp() without return types