• const_iterator : mongocxx::events::topology_description::server_descriptions
• iterator : mongocxx::events::topology_description::server_descriptions
• ns_pair : mongocxx::options::auto_encryption , mongocxx::options::client_encryption
• value_type : bsoncxx::array::view::const_iterator , bsoncxx::document::view::const_iterator , mongocxx::cursor::iterator
• with_transaction_cb : mongocxx::client_session