First prototype
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
new file mode 100644
index 0000000..3d50f6c
--- /dev/null
+++ b/vendor/composer/autoload_static.php
@@ -0,0 +1,36 @@
+<?php
+
+// autoload_static.php @generated by Composer
+
+namespace Composer\Autoload;
+
+class ComposerStaticInit13163adc30f7dea8ccb9868cafbfd377
+{
+    public static $prefixLengthsPsr4 = array (
+        'G' => 
+        array (
+            'Google\\Protobuf\\' => 16,
+            'GPBMetadata\\Google\\Protobuf\\' => 28,
+        ),
+    );
+
+    public static $prefixDirsPsr4 = array (
+        'Google\\Protobuf\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/google/protobuf/src/Google/Protobuf',
+        ),
+        'GPBMetadata\\Google\\Protobuf\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/google/protobuf/src/GPBMetadata/Google/Protobuf',
+        ),
+    );
+
+    public static function getInitializer(ClassLoader $loader)
+    {
+        return \Closure::bind(function () use ($loader) {
+            $loader->prefixLengthsPsr4 = ComposerStaticInit13163adc30f7dea8ccb9868cafbfd377::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInit13163adc30f7dea8ccb9868cafbfd377::$prefixDirsPsr4;
+
+        }, null, ClassLoader::class);
+    }
+}