/**
 * This class represents a globally unique identifier, as described by
 * IETF RFC 4122.
 *
 * @remarks
 * The input string is normalized and validated, which provides
 * important guarantees that simplify other code that works with the GUID.
 * This class also provides basic support for generating a pseudo-random GUID;
 * however, be aware that the uniqueness depends on the browser's `Math.random()`
 * function and may be not be suitable for some applications.
 *
 * See {@link https://www.ietf.org/rfc/rfc4122.txt | RFC4122} for more information.
 *
 * @public
 */
export declare class Guid {
    private _guid;
    /**
    * Returns a new empty Guid instance.
    *
    * @returns A new empty Guid object.
    */
    static empty: Guid;
    private static _guidRegEx;
    /**
     * Use `Guid.parse()` or `Guid.tryParse()` instead of the constructor.
     * @param guid - a normalized, already valid Guid string
     */
    constructor(guid: any);
    /**
     * Returns a new Guid instance with a pseudo-randomly generated GUID, according
     * to the version 4 UUID algorithm from RFC 4122.
     *
     * @returns A new unique Guid object
     */
    static newGuid(randomNumberGenerator: any): Guid;
    /**
     * Parses the input string to construct a new Guid object.
     * If the string cannot be parsed, then an error is thrown.
     *
     * @remarks
     * Example syntaxes accepted by this function:
     *
     * - `"d5369f3bbd7a412a9c0f7f0650bb5489"`
     *
     * - `"d5369f3b-bd7a-412a-9c0f-7f0650bb5489"`
     *
     * - `"{d5369f3b-bd7a-412a-9c0f-7f0650bb5489}"`
     *
     * - `"/Guid(d5369f3b-bd7a-412a-9c0f-7f0650bb5489)/"`
     *
     * @param guid - The input string.
     * @returns A valid Guid object
     */
    static parse(guidString: any): Guid;
    /**
     * Attempts to parse the input string to construct a new Guid object.
     * If the string cannot be parsed, then undefined is returned.
     *
     * @remarks
     * Example syntaxes accepted by this function:
     *
     * - `"d5369f3bbd7a412a9c0f7f0650bb5489"`
     *
     * - `"d5369f3b-bd7a-412a-9c0f-7f0650bb5489"`
     *
     * - `"{d5369f3b-bd7a-412a-9c0f-7f0650bb5489}"`
     *
     * - `"/Guid(d5369f3b-bd7a-412a-9c0f-7f0650bb5489)/"`
     *
     * @param guid - The input string.
     * @returns The Guid object, or undefined if the string could not be parsed.
     */
    static tryParse(guid: any): Guid;
    /**
     * Indicates whether a GUID is valid, i.e. whether it would be successfully
     * parsed by `Guid.tryParse()`.  This function is cheaper than `Guid.tryParse()`
     * because it does not construct a Guid object.
     *
     * @param guid - The input string.
     * @returns true, if the Guid is valid.
     */
    static isValid(guid: any): boolean;
    /**
     * SharePoint can have guids in the form:
     *   - `Guid(...)`
     *   - `{...}`
     * _normalize transforms guids in this format to the standard
     * guid format.
     *
     * Example: `Guid(d5369f3b-bd7a-412a-9c0f-7f0650bb5489)` becomes `d5369f3b-bd7a-412a-9c0f-7f0650bb5489`
     * Example: `{d5369f3b-bd7a-412a-9c0f-7f0650bb5489}` becomes `d5369f3b-bd7a-412a-9c0f-7f0650bb5489`
     *
     * @param guid - Guid to be normalized, could already be normalized.
     * @returns Normalized guid.
     */
    private static _normalize;
    /**
     * Creates a new guid.
     *
     * @returns A valid guid (according to RFC4122)
     */
    private static _generateGuid;
    /**
     * Compare this instance to another Guid instance
     *
     * @returns True if this instance and the specified Guid object
     * represent the same value.
     */
    equals(guid: any): boolean;
    /**
     * Returns a string representation of the GUID
     *
     * @returns The GUID value in lowercase hexadecimal without braces.
     *
     * Example: `'d5369f3b-bd7a-412a-9c0f-7f0650bb5489'`
     */
    toString: () => any;
}
