<p>bool remove(const Key& k, E& rtnVal)</p><p>{</p><p>....code</p><p>}</p><p>bool removeAny(E& returnValue)</p><p>{</p><p>....code</p><p>}</p><p>bool find(const Key& k, E& returnValue) const = 0;</p><p>{</p><p>....code</p><p>}</p><p>In C++ How would you call (in main .cpp) these functions thatare in a seperate