# File lib/audited/auditor.rb, line 388
      def normalize_audited_options
        audited_options[:on] = Array.wrap(audited_options[:on])
        audited_options[:on] = [:create, :update, :destroy] if audited_options[:on].empty?
        audited_options[:only] = Array.wrap(audited_options[:only]).map(&:to_s)
        audited_options[:except] = Array.wrap(audited_options[:except]).map(&:to_s)
        max_audits = audited_options[:max_audits] || Audited.max_audits
        audited_options[:max_audits] = Integer(max_audits).abs if max_audits
      end