reverse_iterator rbegin();

local_iterator begin( size_type n );

allocator_type get_allocator() const;

(1)

std::pair<iterator,iterator> equal_range( const Key& key );

constexpr bool empty();

iterator insert( const value_type& value ); (1)

template< class Key, class T, class Hash, class KeyEqual, class Allocator >

iterator end();

void pop_back();