First prototype
diff --git a/inc/Gtfs/FareRule.php b/inc/Gtfs/FareRule.php
new file mode 100644
index 0000000..bc5f0ac
--- /dev/null
+++ b/inc/Gtfs/FareRule.php
@@ -0,0 +1,208 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: proto/gtfs.proto
+
+namespace Gtfs;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * Generated from protobuf message <code>gtfs.FareRule</code>
+ */
+class FareRule extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Generated from protobuf field <code>string fare_id = 1;</code>
+     */
+    protected $fare_id = '';
+    /**
+     * Generated from protobuf field <code>string route_id = 2;</code>
+     */
+    protected $route_id = '';
+    /**
+     * Generated from protobuf field <code>string origin_id = 3;</code>
+     */
+    protected $origin_id = '';
+    /**
+     * Generated from protobuf field <code>string destination_id = 4;</code>
+     */
+    protected $destination_id = '';
+    /**
+     * Generated from protobuf field <code>string contains_id = 5;</code>
+     */
+    protected $contains_id = '';
+    /**
+     * The extensions namespace allows 3rd-party developers to extend the
+     * GTFS specification in order to add and evaluate new features and
+     * modifications to the spec.
+     *
+     * Generated from protobuf field <code>.google.protobuf.Any extension = 2000;</code>
+     */
+    protected $extension = null;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type string $fare_id
+     *     @type string $route_id
+     *     @type string $origin_id
+     *     @type string $destination_id
+     *     @type string $contains_id
+     *     @type \Google\Protobuf\Any $extension
+     *           The extensions namespace allows 3rd-party developers to extend the
+     *           GTFS specification in order to add and evaluate new features and
+     *           modifications to the spec.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Proto\Gtfs::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Generated from protobuf field <code>string fare_id = 1;</code>
+     * @return string
+     */
+    public function getFareId()
+    {
+        return $this->fare_id;
+    }
+
+    /**
+     * Generated from protobuf field <code>string fare_id = 1;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setFareId($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->fare_id = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>string route_id = 2;</code>
+     * @return string
+     */
+    public function getRouteId()
+    {
+        return $this->route_id;
+    }
+
+    /**
+     * Generated from protobuf field <code>string route_id = 2;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setRouteId($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->route_id = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>string origin_id = 3;</code>
+     * @return string
+     */
+    public function getOriginId()
+    {
+        return $this->origin_id;
+    }
+
+    /**
+     * Generated from protobuf field <code>string origin_id = 3;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setOriginId($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->origin_id = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>string destination_id = 4;</code>
+     * @return string
+     */
+    public function getDestinationId()
+    {
+        return $this->destination_id;
+    }
+
+    /**
+     * Generated from protobuf field <code>string destination_id = 4;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setDestinationId($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->destination_id = $var;
+
+        return $this;
+    }
+
+    /**
+     * Generated from protobuf field <code>string contains_id = 5;</code>
+     * @return string
+     */
+    public function getContainsId()
+    {
+        return $this->contains_id;
+    }
+
+    /**
+     * Generated from protobuf field <code>string contains_id = 5;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setContainsId($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->contains_id = $var;
+
+        return $this;
+    }
+
+    /**
+     * The extensions namespace allows 3rd-party developers to extend the
+     * GTFS specification in order to add and evaluate new features and
+     * modifications to the spec.
+     *
+     * Generated from protobuf field <code>.google.protobuf.Any extension = 2000;</code>
+     * @return \Google\Protobuf\Any
+     */
+    public function getExtension()
+    {
+        return $this->extension;
+    }
+
+    /**
+     * The extensions namespace allows 3rd-party developers to extend the
+     * GTFS specification in order to add and evaluate new features and
+     * modifications to the spec.
+     *
+     * Generated from protobuf field <code>.google.protobuf.Any extension = 2000;</code>
+     * @param \Google\Protobuf\Any $var
+     * @return $this
+     */
+    public function setExtension($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Any::class);
+        $this->extension = $var;
+
+        return $this;
+    }
+
+}
+