tencent cloud

/**
 * @brief Gets the current user account identifier of the superapp integrated with this SDK, typically filled with uin or openid. 
 *
 * Note: Returning nil may cause certain caches within the SDK to become invalid. 、 If the user is not logged in, you can provide a device ID to prevent cache invalidation. 
 */
- (NSString *_Nonnull)getAppUID;