$ dbus-send --print-reply --dest=org.kde.klipper /klipper org.kde.klipper.klipper.getClipboardHistoryMenu method return time=1521879046.904645 sender=:1.362 -> destination=:1.382 serial=76 reply_serial=2
   array [
      string "..."
      string "..."
      string "..."
      string "..."
      string "..."
      string "..."
      string "..."
   ]