code: @Deprecated
      protected void validateInstanceMethods(List<Throwable> errors) {
          validatePublicVoidNoArgMethods(After.class, false, errors);
          validatePublicVoidNoArgMethods(Before.class, false, errors);
          validateTestMethods(errors);
  
          if (computeTestMethods().isEmpty()) {
              errors.add(new Exception("No runnable methods"));
          }
      }
docs: Adds to {@code errors} for each method annotated with {@code @Test},
  {@code @Before}, or {@code @After} that is not a public, void instance
  method with no arguments.
  @deprecated