import { DatatypeModule } from "../datatype";
export declare type NanoidProps = {
    length?: number;
};
export declare class IdModule {
    private readonly datatypeModule;
    constructor(datatypeModule: DatatypeModule);
    /**
     * Returns a MongoDB [ObjectId](https://docs.mongodb.com/manual/reference/method/ObjectId/) string.
     *
     * @example
     * modules.id.mongodbId() // 'e175cac316a79afdd0ad3afb'
     *
     * @returns string
     */
    mongodbId(): string;
    /**
     * Returns a UUID v4 ([Universally Unique Identifier](https://en.wikipedia.org/wiki/Universally_unique_identifier)).
     *
     * @example
     * modules.id.uuid() // '4136cd0b-d90b-4af7-b485-5d1ded8db252'
     *
     * @returns string
     */
    uuid(): string;
    /**
     * Generates a [Nano ID](https://github.com/ai/nanoid).
     *
     * @param length Length of the generated string. Defaults to `20`.
     *
     * @example
     * modules.id.nanoid() // 'ptL0KpX_yRMI98JFr6B3n'
     * modules.id.nanoid({ length: 10 }) // 'VsvwSdm_Am'
     */
    nanoid({ length: ilength }?: NanoidProps): string;
    /**
     * Generates a [ULID](https://github.com/ulid/javascript)
     *
     * @example
     * modules.id.ulid() // "01ARZ3NDEKTSV4RRFFQ69G5FAV"
     *
     * @returns string
     */
    ulid(): string;
    /**
     * Generates a [CUID](https://github.com/paralleldrive/cuid2)
     *
     * @example
     * modules.id.cuid() // "tz4a98xxat96iws9zmbrgj3a"
     *
     * @returns string
     */
    cuid(): string;
}