refactor: use custom imap client

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

lib/Client/Transport/ConnectionInterface.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ProviderImap\Client\Transport;
+
+use KTXM\ProviderImap\Client\ConnectionConfig;
+
+interface ConnectionInterface
+{
+    public function connect(ConnectionConfig $config): void;
+
+    public function disconnect(): void;
+
+    public function isConnected(): bool;
+
+    public function write(string $payload): void;
+
+    public function readLine(): string;
+
+    public function readBytes(int $length): string;
+
+    public function upgradeToTls(): void;
+}