gentoo-overlay/net-misc/apt-cacher-ng/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>ajak@gentoo.org</email>
		<name>John Helmert III</name>
	</maintainer>
	<use>
		<flag name="fuse">Install the <pkg>sys-fs/fuse</pkg> based acngfs, to use a userspace filesystem for the apt cache.</flag>
	</use>
</pkgmetadata>