Simplified codebase in a major refactor before moving to initial Toalett release

src/Source.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Toalett\React\Stream;
+
+interface Source
+{
+    public function open(): void;
+
+    /**
+     * @return mixed|null
+     */
+    public function select();
+
+    public function close(): void;
+
+    public function eof(): bool;
+}