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    var _rKind = /^\[object (.*)\]$/,        _toString = Object.prototype.toString,        UNDEF;    /**     * Gets the "kind" of value. (e.g. "String", "Number", etc)     */    function kindOf(val) {        if (val === null) {            return 'Null';        } else if (val === UNDEF) {            return 'Undefined';        } else {            return _rKind.exec( _toString.call(val) )[1];        }    }    module.exports = kindOf;
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