374     private $preferred = [];  variable in phpseclib3\\Net\\SSH2
1572         $preferred = $this->preferred;
1575         $kex_algorithms = isset($preferred['kex']) ?
1576             $preferred['kex'] :
1578         $server_host_key_algorithms = isset($preferred['hostkey']) ?
1579             $preferred['hostkey'] :
1581         $s2c_encryption_algorithms = isset($preferred['server_to_client']['crypt']) ?
1582             $preferred['server_to_client']['crypt'] :
1584         $c2s_encryption_algorithms = isset($preferred['client_to_server']['crypt']) ?
1585             $preferred['client_to_server']['crypt'] :
1587         $s2c_mac_algorithms = isset($preferred['server_to_client']['mac']) ?
1588             $preferred['server_to_client']['mac'] :
1590         $c2s_mac_algorithms = isset($preferred['client_to_server']['mac']) ?
1591             $preferred['client_to_server']['mac'] :
1593         $s2c_compression_algorithms = isset($preferred['server_to_client']['comp']) ?
1594             $preferred['server_to_client']['comp'] :
1596         $c2s_compression_algorithms = isset($preferred['client_to_server']['comp']) ?
1597             $preferred['client_to_server']['comp'] :
1604                 if (!isset($preferred['server_to_client']['mac'])) {
1610                 if (!isset($preferred['client_to_server']['mac'])) {
2665             if (isset($this->preferred['hostkey'])) {
2666                 $algos = array_intersect($this->preferred['hostkey'], $algos);
4935         $preferred = $methods;
4937         if (isset($preferred['kex'])) {
4938             $preferred['kex'] = array_intersect(
4939                 $preferred['kex'],
4944         if (isset($preferred['hostkey'])) {
4945             $preferred['hostkey'] = array_intersect(
4946                 $preferred['hostkey'],
4953             if (isset($preferred[$key])) {
4954                 $a = &$preferred[$key];
4987             $p = $preferred;
5008         $this->preferred = $preferred;