import { ISerializable } from './serializable.interface';
/**
 * @internal
 * Limited to Microsoft-internal use
 *
 * Represents a UUID (Universally Unique Identifier) object.
 * This class provides a way to generate, validate, and represent UUIDs as strings.
 */
export declare class UUID implements ISerializable {
    private readonly uuid;
    /**
     * Creates an instance of the UUID class.
     * If no UUID string is provided, a new UUID is generated.
     *
     * @param {string} [uuid=generateGUID()] - The UUID string. Defaults to a newly generated UUID.
     * @throws {Error} - Throws an error if the provided UUID is invalid.
     */
    constructor(uuid?: string);
    /**
     * Returns the UUID as a string.
     *
     * @returns {string} - The UUID string.
     */
    toString(): string;
    /**
     * @returns A serializable representation of an uuid, used for passing uuids to the host.
     */
    serialize(): object | string;
}
/**
 * @hidden
 * Checks if the incoming id is an instance of ValidatedSafeString
 * @param id An object to check if it's an instance of ValidatedSafeString
 * @throws Error with a message describing the violation
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function validateUuidInstance(id: UUID): void;