C++ help please

overload the+ operator which returns a queue formed from the concatenation of two queues. You cannot manipulate the data directly, that is why it was not defined. There is no defined for this class. class Queue 14. (1O pts) Consider the following class Queue. Assume all the functions listed below, are already implemented. public: Queue () void push (int data) void pop ) ; int topO bool empty; //prototype forgoes here. private: // doubles held in in some way Example usage 21 contains 1,3,5 02 contains 2,4 93-01 +92:// 93 contains 1,3,5,2,4 01 and 02 should not be changed