vendor and env first commit

vendor/laravel/framework/src/Illuminate/Console/CommandMutex.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Illuminate\Console;
+
+interface CommandMutex
+{
+    /**
+     * Attempt to obtain a command mutex for the given command.
+     *
+     * @param  \Illuminate\Console\Command  $command
+     * @return bool
+     */
+    public function create($command);
+
+    /**
+     * Determine if a command mutex exists for the given command.
+     *
+     * @param  \Illuminate\Console\Command  $command
+     * @return bool
+     */
+    public function exists($command);
+
+    /**
+     * Release the mutex for the given command.
+     *
+     * @param  \Illuminate\Console\Command  $command
+     * @return bool
+     */
+    public function forget($command);
+}