Greatly expanded the CSV routine.

app/Helpers/Csv/Converter/ConverterInterface.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: sander
+ * Date: 05/07/15
+ * Time: 05:42
+ */
+
+namespace FireflyIII\Helpers\Csv\Converter;
+
+/**
+ * Interface ConverterInterface
+ *
+ * @package FireflyIII\Helpers\Csv\Converter
+ */
+interface ConverterInterface
+{
+
+    /**
+     * @return mixed
+     */
+    public function convert();
+
+    /**
+     * @param $index
+     */
+    public function setIndex($index);
+
+    /**
+     * @param $mapped
+     */
+    public function setMapped($mapped);
+
+    /**
+     * @param $role
+     */
+    public function setRole($role);
+
+    /**
+     * @param $value
+     */
+    public function setValue($value);
+
+    /**
+     * @param array $data
+     *
+     * @return mixed
+     */
+    public function setData(array $data);
+
+}