SnakRole is not an interface

Author: thiemowmde

src/Snak/SnakRole.php

@@ -10,9 +10,12 @@
  * @licence GNU GPL v2+
  * @author Jeroen De Dauw < jeroendedauw@gmail.com >
  */
-interface SnakRole {
+class SnakRole {
 
 	const MAIN_SNAK = 0;
 	const QUALIFIER = 1;
 
+	private function __construct() {
+	}
+
 }