docs: public static Set<Method> getDeclaredMethods(Class<?> clazz, MethodFilter methodFilter) {
          Method[] methods = clazz.getDeclaredMethods();
          Set<Method> matches = new HashSet<Method>();
          for (Method method : methods) {       
              if (methodFilter.passFilter(method)) {
                  matches.add(method);
              }
          }
          return matches;
      }