class Psych::Visitors::ToRuby

def accept target
  result = super
  unless @domain_types.empty? || !target.tag
    key = target.tag.sub(/^[!\/]*/, '').sub(/(,\d+)\//, '\1:')
    key = "tag:#{key}" unless key.match?(/^(?:tag:|x-private)/)
    if @domain_types.key? key
      value, block = @domain_types[key]
      result = block.call value, result
    end
  end
  result = deduplicate(result).freeze if @freeze
  result
end