export declare const FeedBackOperation: {
    readonly UPDATE: "update";
    readonly DELETE: "delete";
    readonly MOVE: "move";
    readonly COPY: "copy";
    readonly EXPORT: "export";
    readonly RECYCLE: "recycle";
    readonly RESTORE: "restore";
    readonly VALIDATE: "validate";
};
export type FeedBackOperationType = `${(typeof FeedBackOperation)[keyof typeof FeedBackOperation]}`;
export type ItemOpFeedbackResult<T> = {
    [FeedBackOperation.UPDATE]: {
        [itemId: string]: T;
    };
    [FeedBackOperation.DELETE]: {
        [itemId: string]: T;
    };
    [FeedBackOperation.MOVE]: {
        items: T[];
        moved: T[];
    };
    [FeedBackOperation.COPY]: {
        items: T[];
        copies: T[];
    };
    [FeedBackOperation.EXPORT]: {
        [itemId: string]: T;
    };
    [FeedBackOperation.RECYCLE]: T[];
    [FeedBackOperation.RESTORE]: {
        [itemId: string]: T;
    };
    [FeedBackOperation.VALIDATE]: {
        [itemId: string]: T;
    };
};
/**
 * Events from asynchronous background operations on given items
 */
export interface ItemOpFeedbackEvent<T extends {
    id: string;
}, OP extends FeedBackOperationType = FeedBackOperationType> {
    kind: 'feedback';
    op: OP;
    resource: T['id'][];
    result?: ItemOpFeedbackResult<T>[OP];
    errors: Error[];
}
export declare const isOperationEvent: <T extends {
    id: string;
}, OP extends FeedBackOperationType>(event: ItemOpFeedbackEvent<T>, type: OP) => event is ItemOpFeedbackEvent<T, OP>;