public String getOpenidUrl(OAuth2AccessToken accessToken, OAuth20Configuration configuration) {
        return "https://graph.qq.com/oauth2.0/me";
    }
<p>getOpenidUrl.</p>

@param accessToken a {@link OAuth2AccessToken} object
@param configuration a {@link OAuth20Configuration} object
@return a {@link String} object
pac4j-oauth/src/main/java/org/pac4j/oauth/profile/qq/QQProfileDefinition.java