feat: initial version

Signed-off-by: Sebastian Krupinski <root@LAPTOP-7DVOR6NC>

lib/Client/Protocol/Command/Command.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gricob\IMAP\Protocol\Command;
+
+use Gricob\IMAP\Protocol\Command\Argument\Argument;
+use Stringable;
+
+abstract readonly class Command implements Stringable
+{
+    private string $command;
+
+    /**
+     * @var Argument[]
+     */
+    private array $arguments;
+
+    public function __construct(
+        string $command,
+        Argument ...$arguments,
+    ) {
+        $this->command = $command;
+        $this->arguments = $arguments;
+    }
+
+    public function command(): string
+    {
+        return $this->command;
+    }
+
+    public function __toString(): string
+    {
+        return sprintf(
+            '%s %s',
+            $this->command,
+            implode(' ', $this->arguments)
+        );
+    }
+}