<?php declare(strict_types=1); namespace League\Flysystem\PhpseclibV2; use phpseclib\Net\SFTP; /** * @deprecated The "League\Flysystem\PhpseclibV2\ConnectivityChecker" class is deprecated since Flysystem 3.0, use "League\Flysystem\PhpseclibV3\ConnectivityChecker" instead. */ interface ConnectivityChecker { public function isConnected(SFTP $connection): bool; }