template< class T, class Container, class Alloc > struct us

allocator_type get_allocator() const;

iterator end();

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

iterator insert_after( const_iterator pos, const T& value );

class reference;

size_type count( const Key& key ) const; (1)

T& at( const Key& key ); (1)

local_iterator end( size_type n );

key_equal key_eq() const;