ASF_20_SRC_AUTO/src/blocks/proxy/conf/proxy.xmap

<?xml version="1.0"?>

<xmap xpath="/sitemap/components/generators" unless="generator[@name='proxy']">

    <map:generator name="proxy"
                   logger="sitemap.generator.proxy"
                   src="org.apache.cocoon.generation.HttpProxyGenerator"
                   label="content"/>
</xmap>