module Regexp::Expression::Shared

def self.included(mod)

def self.included(mod)
  mod.class_eval do
    extend Shared::ClassMethods
    attr_accessor :type, :token, :text, :ts, :te,
                  :level, :set_level, :conditional_level,
                  :options, :parent,
                  :custom_to_s_handling, :pre_quantifier_decorations
    attr_reader   :nesting_level, :quantifier
  end
end