import { SpaceFields } from '../space/index.js';
import { PayloadFields } from './payload.fields.js';
export declare type NotificationFields = 'basic' | 'all' | CustomNotificationFields;
export interface CustomNotificationFields {
    actor?: PayloadFields;
    object?: PayloadFields;
    space?: SpaceFields;
    target?: PayloadFields;
}
export declare function notificationGQLFields(fields: NotificationFields): string;