module DateAndTime::Compatibility

def self.preserve_timezone # :nodoc:

:nodoc:
Rails 8.0 anyway.
is in turn included in several places. This will all go away in
of prepending on to it, to avoid overcomplicating a module that
This re-implements the behaviour of the mattr_reader, instead
-- 
def self.preserve_timezone # :nodoc:
  if @@preserve_timezone.nil?
    # Only warn once, the first time the value is used (which should
    # be the first time #to_time is called).
    ActiveSupport.deprecator.warn(
      "`to_time` will always preserve the receiver timezone rather than system local time in Rails 8.1." \
      "To opt in to the new behavior, set `config.active_support.to_time_preserves_timezone = :zone`."
    )
    @@preserve_timezone = false
  end
  @@preserve_timezone
end