help = function (url) {
        return {
            help: {
                usage: url + '?[options][&har=(<HAR as JSON string> | <URL to fetch HAR from> | <HAR file to upload>)]',
                options: [
                    'h | help:                 output usage information',
                    'V | version:              output the version number',
                    'i | info <info>:          specify the information to display/log (basic|grade|stats|comps|all) [basic]',
                    'f | format <format>:      specify the output results format (json|xml|plain) [json]',
                    'r | ruleset <ruleset>:    specify the YSlow performance ruleset to be used (ydefault|yslow1|yblog) [ydefault]',
                    'b | beacon <url>:         specify an URL to log the results',
                    'd | dict <true|false>:    include dictionary of results fields [false]',
                    'v | verbose <true|false>: output beacon response information [false]'
                ],
                examples: [
                    url + '?har=www.example.com/foo.har',
                    'curl \'' + url + '?info=grade&format=plain\' -F \'har=@localfile.har\'',
                    'curl \'' + url + '?ruleset=yblog\' -d \'har={"log":{"version":"1.1", ... }}\'',
                    url + '?info=all&dict=true&beacon=www.beaconserver.com&verbose=true',
                    url + '?har=www.webpagetest.org%2Fexport.php%3Ftest%3DTEST_ID&i=grade&b=www.showslow.com%2Fbeacon%2Fyslow%2F'
                ]
            }
        };
    }
Help.
@param {String} url The URL requested.
@return {Object} The help info as an object.