initial commit'n push

ThirdPartyType/ThirdPartyTypeProviderInterface.php

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+<?php
+
+namespace Chill\ThirdPartyBundle\ThirdPartyType;
+
+/**
+ * Provide third party type
+ */
+interface ThirdPartyTypeProviderInterface
+{
+    /**
+     * Return an unique key for this type.
+     * 
+     * @return string
+     */
+    public static function getKey(): string;
+    
+}