def offline=(new_val)
      raise JSS::InvalidDataError, 'New value must be boolean true or false' unless JSS::TRUE_FALSE.include? new_val
      @offline = new_val
      @need_to_update = true
    end
def offline=(new_val)
      raise JSS::InvalidDataError, 'New value must be boolean true or false' unless JSS::TRUE_FALSE.include? new_val
      @offline = new_val
      @need_to_update = true
    end
Set whether this policy is available offline.

 @param new_val[Boolean]

 @return [void]