updated packages

vendor/vlucas/phpdotenv/src/Environment/Adapter/AdapterInterface.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Dotenv\Environment\Adapter;
+
+interface AdapterInterface
+{
+    /**
+     * Determines if the adapter is supported.
+     *
+     * @return bool
+     */
+    public function isSupported();
+
+    /**
+     * Get an environment variable, if it exists.
+     *
+     * @param string $name
+     *
+     * @return \PhpOption\Option
+     */
+    public function get($name);
+
+    /**
+     * Set an environment variable.
+     *
+     * @param string      $name
+     * @param string|null $value
+     *
+     * @return void
+     */
+    public function set($name, $value = null);
+
+    /**
+     * Clear an environment variable.
+     *
+     * @param string $name
+     *
+     * @return void
+     */
+    public function clear($name);
+}