code: def expand_constants(ins: Instruction, *, cf) -> Instruction:
      
      for i, operand in enumerate(ins.operands):
          if not isinstance(operand, Operand):
              continue
  
          if operand.op_type == OperandTypes.CONSTANT_INDEX:
              ins.operands[i] = cf.constants[operand.value]
  
      return ins
docs: Replace CONSTANT_INDEX operands with the literal Constant object from
      the constant pool.
  
      :param ins: Instruction to potentially modify.
      :param cf: The ClassFile instance used to resolve Constants.
      :return: Potentially modified instruction.