priority_queue(const Compare& x, const Container& y);
priority_queue(const Compare& x, Container&& y);
template<class InputIterator>
priority_queue(InputIterator first, InputIterator last, const Compare& x = Compare());
template<class InputIterator>
priority_queue(InputIterator first, InputIterator last, const Compare& x, const Container& y);
template<class InputIterator>
priority_queue(InputIterator first, InputIterator last, const Compare& x, Container&& y);
template<container-compatible-range<T> R>
priority_queue(from_range_t, R&& rg, const Compare& x = Compare());