export declare class UuidGenerator {
    private getCrypto;
    /**
     * Generates a custom UUID using a simple 36^12 method (8-character alphanumeric string with lowercase letters)
     * This has a higher chance of collision than a UUIDv4, but not only faster to generate than an UUIDV4,
     * it also has a smaller size, which is preferable to alleviate the overall data size.
     *
     * This method is preferable when generating uuids for the core data (sheetId, figureId, etc)
     * as they will appear several times in the revisions and local history.
     *
     */
    smallUuid(): string;
    /**
     * Generates an UUIDV4, has astronomically low chance of collision, but is larger in size than the smallUuid.
     * This method should be used when you need to avoid collisions at all costs, like the id of a revision.
     */
    uuidv4(): string;
}