diff --git a/proposal/myrmidon/src/java/org/apache/ant/tasklet/DataType.java b/proposal/myrmidon/src/java/org/apache/ant/tasklet/DataType.java
new file mode 100644
index 000000000..65f044851
--- /dev/null
+++ b/proposal/myrmidon/src/java/org/apache/ant/tasklet/DataType.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE file.
+ */
+package org.apache.ant.tasklet;
+
+import org.apache.avalon.Component;
+
+/**
+ * Base class for those classes that can appear inside the build file
+ * as stand alone data types.  
+ *
+ * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> 
+ * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
+ */
+public interface DataType
+    extends Component
+{
+}