docs: async function cleanRoomHistory (robot, user, oldest) {
    try {
      const latest = new Date().toISOString()
      const roomId = user.roomID
      robot.logger.info(`[cleanRoomHistory] ${user.name} cleaning room ${user.room} from ${oldest} to ${latest}`)
      await robot.adapter.api.post('rooms.cleanHistory', { roomId, latest, oldest })
      return true
    } catch (err) {
      robot.logger.error(`[cleanRoomHistory] failed, ensure bot has \`clean-channel-history\` permission`, err)
    }
  }