java.util.Set<String> methodNames =
                    java.util.Arrays.stream(methods).map(java.lang.reflect.Method::getName).collect(java.util.stream.Collectors.toSet());

            assertTrue(methodNames.contains("close"), "Should contain close method");
            assertTrue(methodNames.contains("getConfig"), "Should contain getConfig method");
            assertTrue(methodNames.contains("unwrap"), "Should contain unwrap method");

     *
     * @param methodName
     *            The method name. Cannot be {@literal null} or empty
     * @param argTypes
     *            The argument types
     * @return The string representation of the method signature
     */
    public static String getSignature(final String methodName, final Class<?>... argTypes) {
        assertArgumentNotEmpty("methodName", methodName);

    return Collections.singletonList(getMethod("testInverseSerialization"));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  private static Method getMethod(String methodName) {
    return Helpers.getMethod(BiMapInverseTester.class, methodName);
  }

        }
    }

    // Helper method to invoke protected method using reflection
    private ClassificationMeta invokeMethod(Object obj, String methodName, String param) {
        try {
            java.lang.reflect.Method method = obj.getClass().getDeclaredMethod(methodName, String.class);
            method.setAccessible(true);
            return (ClassificationMeta) method.invoke(obj, param);
        } catch (Exception e) {

    return Collections.singletonList(getMethod("testInverseSerialization"));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  private static Method getMethod(String methodName) {
    return Helpers.getMethod(BiMapInverseTester.class, methodName);
  }

    private static Object invokePrivate(Object targetOrClass, String methodName, Class<?>[] paramTypes, Object... args) {
        try {
            final Class<?> cls = targetOrClass instanceof Class<?> ? (Class<?>) targetOrClass : targetOrClass.getClass();
            Method m = cls.getDeclaredMethod(methodName, paramTypes);
            m.setAccessible(true);

        getMethod("testSetCount_threeToOne_supported"));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  private static Method getMethod(String methodName) {
    return Helpers.getMethod(AbstractMultisetSetCountTester.class, methodName);
  }

        throws Throwable {
      String methodName = method.getName();
      Method typeVariableMethod = typeVariableMethods.get(methodName);
      if (typeVariableMethod == null) {
        throw new UnsupportedOperationException(methodName);
      } else {
        try {
          return typeVariableMethod.invoke(typeVariableImpl, args);

        getMethod("testSetCount_threeToOne_supported"));
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  private static Method getMethod(String methodName) {
    return Helpers.getMethod(AbstractMultisetSetCountTester.class, methodName);
  }

            }
        }
        return null;
    }

    private Method findMethod(Class<?> clazz, String methodName, Class<?>... paramTypes) {
        while (clazz != null) {
            try {
                return clazz.getDeclaredMethod(methodName, paramTypes);
            } catch (NoSuchMethodException e) {
                clazz = clazz.getSuperclass();
            }
        }