class Regexp::Expression::Base

def to_h
  {
    :type               => @type,
    :token              => @token,
    :text               => to_s(:base),
    :starts_at          => @ts,
    :length             => full_length,
    :level              => @level,
    :set_level          => @set_level,
    :conditional_level  => @conditional_level,
    :options            => @options,
    :quantifier         => quantified? ? @quantifier.to_h : nil
  }
end