gentoo-overlay/app-admin/consul/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer>
    <email>zmedico@gentoo.org</email>
  </maintainer>
  <maintainer>
    <email>ultrabug@gentoo.org</email>
  </maintainer>
  <use>
    <flag name="web">Build the web UI.</flag>
  </use>
</pkgmetadata>