# File lib/rufus/treechecker.rb, line 271
      def freeze

        super

        @excluded_symbols.freeze
        @excluded_symbols.each { |k, v| k.freeze; v.freeze }
        @accepted_patterns.freeze
        @accepted_patterns.each { |k, v| k.freeze; v.freeze }
        @excluded_patterns.freeze
        @excluded_patterns.each { |k, v| k.freeze; v.freeze }
      end