code: static String getArgumentsInformation(String insnDesc) {
      if (insnDesc == null) {
        return "";
      }
  
      Type methodType = Type.getMethodType(insnDesc);
      int argSize = methodType.getArgumentTypes().length;
      StringJoiner sj = new StringJoiner(",", "(", ")");
      for (int i = 0; i < argSize; i++) {
        sj.add("_");
      }
  
      return sj.toString();
    }
docs: /* package private