export declare const reference: (field: string, service: (object & {
    get: (id: string, fields: string[]) => Promise<object>;
}) | (() => object), fields?: string[], extraFields?: string[]) => import("./rule").ruleType[];
export declare const check_reference: (field: string, referenceField: string, value: string) => import("./rule").ruleType;
//# sourceMappingURL=reference.d.ts.map