* Creates an array of index keys for `object` values of arrays, * `arguments` objects, and strings, otherwise `null` is returned. * * @private * @

* This method is like `_.isArrayLike` except that it also checks if `value` * is an object. * * @static * @memberOf _ * @since 4.0.0 * @category

* Checks if `value` is a valid array-like index. * * @private * @param {*} value The value to check. * @param {number} [length=MAX_SAFE_INTEGER] T

* Checks if `value` is likely a prototype object. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `valu

* Checks if `value` is classified as a `Symbol` primitive or object. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} valu

* Creates an array of the own enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. See the * [ES spec](ht

* Load `namespaces`. * * @return {String} returns the previously persisted debug modes * @api private

* Localstorage attempts to return the localstorage. * * This is necessary because safari throws * when a user disables cookies/localstorage * and

* Long format for `ms`. * * @param {Number} ms * @return {String} * @api private