vaadin-framework/ivy-taskdefs.xml

<ivy-module version="2.0" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:noNamespaceSchemaLocation= "http://ant.apache.org/ivy/schemas/ivy.xsd">
    
    <info organisation="com.vaadin" module="vaadin"/>
    <configurations>
   		<conf name="taskdefs" description="Ant task definitions" visibility="private" />
	</configurations>
    <publications />        
	<dependencies>
   		<!-- Ant tasks -->   	
   		<dependency org="ant-contrib" name="ant-contrib" rev="1.0b3" conf="taskdefs ->master"/>
   		<dependency org="org.apache.maven" name="maven-ant-tasks" rev="2.0.10" conf="taskdefs ->master"/>
   		<dependency org="com.googlecode.jarjar" name="jarjar" rev="1.3" conf="taskdefs ->master"/>
	</dependencies>

</ivy-module>