--- /dev/null
+package uk.ac.vamsas.client.picking;\r
+\r
+/**\r
+ * Interface that defines the methods required for a message handler. This\r
+ * interface must be implemented by the client application (TOPALi, Jalview or\r
+ * AstexViewer).\r
+ */\r
+public interface IMessageHandler\r
+{\r
+ /**\r
+ * Responds to a message received event.\r
+ * @param message the message that was received\r
+ */\r
+ public void handleMessage(Message message);\r
+}
\ No newline at end of file