gentoo-overlay/net-misc/vinagre/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>gnome@gentoo.org</email>
    <name>Gentoo GNOME Desktop</name>
  </maintainer>
  <use>
    <flag name="ssh">Enable ssh plugin using <pkg>x11-libs/vte</pkg></flag>
    <flag name="spice">Enable access to SPICE-enabled virtual machines</flag>
    <flag name="telepathy">Enable access to remote desktop via a
      <pkg>net-libs/telepathy-glib</pkg> client</flag>
  </use>
</pkgmetadata>