Remove engine from the Sockets.

Docblock changes.
Reorder methods to be logical.

SourceQuery/Rcon/AbstractRcon.php

@@ -2,6 +2,17 @@
 
 declare(strict_types=1);
 
+/**
+ * @author Pavel Djundik
+ *
+ * @link https://xpaw.me
+ * @link https://github.com/xPaw/PHP-Source-Query
+ *
+ * @license GNU Lesser General Public License, version 2.1
+ *
+ * @internal
+ */
+
 namespace xPaw\SourceQuery\Rcon;
 
 use xPaw\SourceQuery\Buffer;
@@ -10,14 +21,6 @@ use xPaw\SourceQuery\Exception\InvalidPacketException;
 
 abstract class AbstractRcon implements RconInterface
 {
-    /**
-     * @param int|null $header
-     * @param string $string
-     *
-     * @return bool
-     */
-    abstract protected function write(?int $header, string $string = ''): bool;
-
     /**
      * @throws AuthenticationException
      * @throws InvalidPacketException
@@ -25,4 +28,12 @@ abstract class AbstractRcon implements RconInterface
      * @return Buffer
      */
     abstract protected function read(): Buffer;
+
+    /**
+     * @param int|null $header
+     * @param string $string
+     *
+     * @return bool
+     */
+    abstract protected function write(?int $header, string $string = ''): bool;
 }