# File lib/compass/configuration/data.rb, line 84
      def asset_cache_buster(simple = nil, &block)
        if block_given?
          @asset_cache_buster = block
        elsif !simple.nil?
          if simple == :none
            @asset_cache_buster = Proc.new {|_,_| nil}
          else
            raise ArgumentError, "Unexpected argument: #{simple.inspect}"
          end
        else
          if @asset_cache_buster
            @asset_cache_buster
          elsif inherited_data.respond_to?(:asset_cache_buster)
            inherited_data.asset_cache_buster
          end
        end
      end