import { StringSchema, type StringSchemaOptions } from "./StringSchema.js";
/**
 * Type of `StringSchema` that defines a valid UUID (versions 1-5). Defaults to any-version validation.
 * - Input is trimmed and lowercased.
 * - Falsy values are converted to empty string.
 */
export declare class UUIDSchema extends StringSchema {
    constructor({ one, title, ...rest }?: Omit<StringSchemaOptions, "input" | "min" | "max" | "match" | "rows">);
    sanitize(str: string): string;
}
/** Any valid UUID (versions 1-5) */
export declare const UUID: UUIDSchema;
/** Any valid UUID (versions 1-5) or null */
export declare const NULLABLE_UUID: import("./NullableSchema.js").NullableSchema<string>;