vendor and env first commit

vendor/vlucas/phpdotenv/src/Repository/RepositoryInterface.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Dotenv\Repository;
+
+interface RepositoryInterface
+{
+    /**
+     * Determine if the given environment variable is defined.
+     *
+     * @param string $name
+     *
+     * @return bool
+     */
+    public function has(string $name);
+
+    /**
+     * Get an environment variable.
+     *
+     * @param string $name
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return string|null
+     */
+    public function get(string $name);
+
+    /**
+     * Set an environment variable.
+     *
+     * @param string $name
+     * @param string $value
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return bool
+     */
+    public function set(string $name, string $value);
+
+    /**
+     * Clear an environment variable.
+     *
+     * @param string $name
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return bool
+     */
+    public function clear(string $name);
+}