class Icalendar::Offset::ActiveSupportExact

def normalized_value 

def normalized_value
  Icalendar.logger.debug("Plan a - parsing #{value}/#{tzid} as ActiveSupport::TimeWithZone")
  # plan a - use ActiveSupport::TimeWithZone
  Icalendar::Values::Helpers::ActiveSupportTimeWithZoneAdapter.new(nil, tz, value)
end

def tz 

def tz
  @tz ||= ActiveSupport::TimeZone[tzid]
end

def valid? 

def valid?
  support_classes_defined? && tz
end