vaadin-framework/build/ivy/buildhelpers-ivy.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="buildhelpers"/>
    <configurations>
        <conf name="compile" visibility="private"/>       
    </configurations>
    <publications />        
    <dependencies>
         <dependency org="com.carrotsearch" name="smartsprites" rev="0.2.3-itmill" conf="compile->compile(*),master(*)"/>
    </dependencies>
</ivy-module>