reverse_iterator rbegin();

reference front();

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

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

reference operator[]( size_type pos );

std::pair<iterator,bool> insert( const value_type& value

std::pair<iterator,bool> insert( const value_type& value

reference at( size_type pos );

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

reverse_iterator rend();