ResolvePlural = function (pluralRules, n) {
            if (!_.isFinite(n)) {
                return "other";
            }

            return platform.pluralRulesSelect(pluralRules, n);
        }
Returns a String value representing the plural form of n according to
the effective locale and the options of pluralRules

ECMA 402: #sec-resolveplural

@param {Object} pluralRules
@param {Number} n