function reveal(revealers)
    {
        var promises = [];
        for (var i = 0; i < revealers.length; ++i)
            promises.push(revealers[i].reveal(/** @type {!Object} */ (revealable), lineNumber));
        return Promise.race(promises);
    }
@param {!Array.<!WebInspector.Revealer>} revealers
@return {!Promise.<undefined>}