improved Flyweight

Structural/Flyweight/Text.php

@@ -0,0 +1,12 @@
+<?php
+declare(strict_types=1);
+
+namespace DesignPatterns\Structural\Flyweight;
+
+/**
+ * This is the interface that all flyweights need to implement
+ */
+interface Text
+{
+    public function render(string $extrinsicState): string;
+}