aram">description</dt><dd class="cmt"><p>human-readable description of this SSH Certificate Authority. optional, max 255 bytes.</p></dd><dt class="param">metadata</dt><dd class="cmt"><p>arbitrary user-defined machine-readable data of this SSH Certificate Authority. optional, max 4096 bytes.</p></dd><dt>returns</dt><dd class="cmt"><p>a <a href="https://www.scala-lang.org/api/2.13.8/scala/concurrent/Future.html" name="scala.concurrent.Future" id="scala.concurrent.Future" class="extype">scala.concurrent.Future