def server_side_expiration=(expiration)
      raise JSS::InvalidDataError, 'Expiration must be a Time' unless expiration.is_a? Time
      @server_side_limitations[:expiration] = expiration
      @need_to_update = true
    end
def server_side_expiration=(expiration)
      raise JSS::InvalidDataError, 'Expiration must be a Time' unless expiration.is_a? Time
      @server_side_limitations[:expiration] = expiration
      @need_to_update = true
    end
Set Server Side Expiration

 @param expiration[Time] Expiration date and time

 @return [void]