First prototype
diff --git a/vendor/google/protobuf/src/Google/Protobuf/EnumDescriptor.php b/vendor/google/protobuf/src/Google/Protobuf/EnumDescriptor.php
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+++ b/vendor/google/protobuf/src/Google/Protobuf/EnumDescriptor.php
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+<?php
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2017 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+namespace Google\Protobuf;
+
+class EnumDescriptor
+{
+    private $internal_desc;
+
+    /**
+     * @internal
+     */
+    public function __construct($internal_desc)
+    {
+        $this->internal_desc = $internal_desc;
+    }
+
+    /**
+     * @return string Full protobuf message name
+     */
+    public function getFullName()
+    {
+        return $this->internal_desc->getFullName();
+    }
+
+    /**
+     * @return string PHP class name
+     */
+    public function getClass()
+    {
+        return $this->internal_desc->getClass();
+    }
+
+    /**
+     * @param int $index Must be >= 0 and < getValueCount()
+     * @return EnumValueDescriptor
+     */
+    public function getValue($index)
+    {
+        return $this->internal_desc->getValueDescriptorByIndex($index);
+    }
+
+    /**
+     * @return int Number of values in enum
+     */
+    public function getValueCount()
+    {
+        return $this->internal_desc->getValueCount();
+    }
+}