function setStylesheetText(url, text, clients) {
        return _send(
            {
                method: "CSS.setStylesheetText",
                params: {
                    url: url,
                    text: text
                }
            }
        );
    }
Protocol method. Reloads a CSS styleseet in the browser (by replacing its text) given its url.
@param {string} url Absolute URL of the stylesheet
@param {string} text The new text of the stylesheet
@param {number|Array.<number>} clients A client ID or array of client IDs that should evaluate
     the script.
@return {$.Promise} A promise that's resolved with the return value from the first client that responds
     to the evaluation.