code: def _all_opnames(self, func):
      return set(
          instr.opname for instr in dis.Bytecode(func, adaptive=True)
      )
  
imports: import unittest
  import dis
  from test import support
  from test.support import import_helper
label_desc: Use image node_id 4 for calling the TypeCacheWithSpecializationTests obj's underlying member method code with example usage: obj._all_opnames(func) and returns: set