import { type MementoOriginator } from 'ag-charts-core';
import type { AgCollapsedChangeEventSource } from 'ag-charts-types';
import type { EventsHub } from '../../core/eventsHub';
import type { ChartService } from '../chartService';
type CollapsedItemID = string | number;
type CollapsedMemento = CollapsedItemID[];
export declare class CollapsedManager implements MementoOriginator<CollapsedMemento> {
    private readonly eventsHub;
    private readonly chartService;
    mementoOriginatorKey: string;
    private collapsedIds;
    private getDatum;
    constructor(eventsHub: EventsHub, chartService: ChartService);
    createMemento(): CollapsedMemento;
    guardMemento(blob: unknown): blob is CollapsedMemento | undefined;
    restoreMemento(_version: string, _mementoVersion: string, blob: CollapsedMemento | undefined): void;
    setSeriesGetDatumCallback(seriesId: string, getDatum: (id: CollapsedItemID) => unknown): () => void;
    collapse(ids: CollapsedItemID[], seriesId: string | undefined, source: AgCollapsedChangeEventSource): boolean;
    collapseAppend(ids: CollapsedItemID[], seriesId: string | undefined, source: AgCollapsedChangeEventSource): boolean;
    expand(ids: CollapsedItemID[], seriesId: string | undefined, source: AgCollapsedChangeEventSource): boolean;
    isCollapsed(id: CollapsedItemID): boolean;
    private callListener;
    private applyChange;
}
export {};