gentoo-overlay/media-sound/apulse/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <!-- maintainer-needed -->
  <use>
    <flag name="sdk">Install PulseAudio headers and pkg-config files. Be aware apulse is not
    a full PulseAudio replacement by design and some functionality may be missing.</flag>
  </use>
  <upstream>
    <remote-id type="github">i-rinat/apulse</remote-id>
  </upstream>
</pkgmetadata>