import { Rule } from "@n7e/validation";
/**
 * Verifies that values are UUIDs.
 */
declare class Uuid implements Rule {
    /**
     * Regular expression matching a valid UUID.
     *
     * This expression matches nil UUIDs.
     */
    private static readonly EXPRESSION;
    /** {@inheritDoc} */
    readonly identifier = "uuid";
    /** {@inheritDoc} */
    check(value: unknown, _: Array<string>): Promise<void>;
}
export default Uuid;