public OAuthBearerToken token() {
        return token;
    }
@Test
    public void testToken() {
        OAuthBearerValidatorCallback callback = new OAuthBearerValidatorCallback(TOKEN.value());
        callback.token(TOKEN);
        assertSame(TOKEN, callback.token());
        assertNull(callback.errorStatus());
        assertNull(callback.errorScope());
        assertNull(callback.errorOpenIDConfiguration());
    }