Lots of import related code.

app/Import/Converter/ConverterInterface.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * ConverterInterface.php
+ * Copyright (C) 2016 thegrumpydictator@gmail.com
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+declare(strict_types = 1);
+
+namespace FireflyIII\Import\Converter;
+use FireflyIII\User;
+
+/**
+ * Interface ConverterInterface
+ *
+ * @package FireflyIII\Import\Converter
+ */
+interface ConverterInterface
+{
+    /**
+     * @param $value
+     *
+     */
+    public function convert($value);
+
+    /**
+     * @param bool $doMap
+     */
+    public function setDoMap(bool $doMap);
+
+    /**
+     * @param array $mapping
+     *
+     */
+    public function setMapping(array $mapping);
+
+    /**
+     * @param User $user
+     */
+    public function setUser(User $user);
+}