export type ContextIdGenerator = import("../casa.js").ContextIdGenerator;
/** @typedef {import("../casa.js").ContextIdGenerator} ContextIdGenerator */
/**
 * Creates an instance of a UUID generator.
 *
 * @returns {ContextIdGenerator} Generator function
 */
export function uuid(): ContextIdGenerator;
/**
 * Returns a generator that returns the next incremental integer in a sequence.
 *
 * This generator does not take into account the removal of any contexts from
 * session that were previously assigned a sequential ID. This means that IDs
 * will be re-used when they are freed up.
 *
 * @returns {ContextIdGenerator} Generator function
 */
export function sequentialInteger(): ContextIdGenerator;
export function shortGuid({ length, prefix, pool }?: {
    length?: number | undefined;
    prefix?: string | undefined;
    pool?: string | undefined;
}): ({ reservedIds }: {
    reservedIds: any;
}) => string;