FBSDKGamingGroupIntegration
@interfaceFBSDKGamingGroupIntegration:NSObject+(void)openGroupPageWithCompletionHandler:(FBSDKGamingServiceCompletionHandler_Nonnull)completionHandler;@endUndocumented
@interfaceFBSDKGamingGroupIntegration:NSObject+(void)openGroupPageWithCompletionHandler:(FBSDKGamingServiceCompletionHandler_Nonnull)completionHandler;@end+(void)openGroupPageWithCompletionHandler:(FBSDKGamingServiceCompletionHandler_Nonnull)completionHandler;classfuncopenGroupPage(completionHandler:@escapingGamingServiceCompletionHandler)