    # File lib/compass/configuration/data.rb, line 122
          def asset_cache_buster(simple = nil, &block)
            @set_attributes ||= {}
            if block_given?
              @set_attributes[:asset_cache_buster] = true
              @asset_cache_buster = block
            elsif !simple.nil?
              if simple == :none
                @set_attributes[:asset_cache_buster] = true
                @asset_cache_buster = Proc.new {|_,_| nil}
              else
                raise ArgumentError, "Unexpected argument: #{simple.inspect}"
              end
            else
              if set?(:asset_cache_buster)
                @asset_cache_buster
              elsif inherited_data.respond_to?(:asset_cache_buster)
                inherited_data.asset_cache_buster
              end
            end
          end