gentoo-overlay/dev-java/sbt/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
  <email>gienah@gentoo.org</email>
</maintainer>
<longdescription lang="en">
The interactive build tool.
Use Scala to define your tasks. Then run them in parallel from the shell. 
</longdescription>
<use><flag name="binary">Install from (Gentoo-compiled) binary instead of building from sources. Set this when you run out of memory during build.</flag></use>
</pkgmetadata>