    # File lib/chef/mixin/language.rb, line 52
            def value_for_node(node)
              platform, version = node[:platform].to_s, node[:platform_version].to_s
              if @values.key?(platform) && @values[platform].key?(version)
                @values[platform][version]
              elsif @values.key?(platform) && @values[platform].key?("default")
                @values[platform]["default"]
              elsif @values.key?("default")
                @values["default"]
              else
                nil
              end
            end