explicit queue(const Container& cont);
explicit queue(Container&& cont);
template<class InputIterator>
queue(InputIterator first, InputIterator last);
template<container-compatible-range<T> R>
queue(from_range_t, R&& rg);
template<class Alloc> explicit queue(const Alloc& a);
template<class Alloc> queue(const container_type& cont, const Alloc& a);
template<class Alloc> queue(container_type&& cont, const Alloc& a);
template<class Alloc> queue(const queue& q, const Alloc& a);
template<class Alloc> queue(queue&& q, const Alloc& a);
template<class InputIterator, class Alloc>
queue(InputIterator first, InputIterator last, const Alloc& alloc);
template<container-compatible-range<T> R, class Alloc>
queue(from_range_t, R&& rg, const Alloc& a);
template<container-compatible-range<T> R>
void push_range(R&& rg);
template<class T, class Container>
bool operator==(const queue<T, Container>& x, const queue<T, Container>& y);
template<class T, class Container>
bool operator!=(const queue<T, Container>& x, const queue<T, Container>& y);
template<class T, class Container>
bool operator< (const queue<T, Container>& x, const queue<T, Container>& y);
template<class T, class Container>
bool operator> (const queue<T, Container>& x, const queue<T, Container>& y);
template<class T, class Container>
bool operator<=(const queue<T, Container>& x, const queue<T, Container>& y);
template<class T, class Container>
bool operator>=(const queue<T, Container>& x,
const queue<T, Container>& y);
template<class T, three_way_comparable Container>
compare_three_way_result_t<Container>
operator<=>(const queue<T, Container>& x, const queue<T, Container>& y);