import type { LibroView } from '@difizen/libro-core';
import type { Disposable, Event } from '@difizen/mana-app';
import { Emitter, DisposableCollection } from '@difizen/mana-app';
import { LibroCellTOCProvider } from './cell-toc-provider.js';
import type { CellTOCProvider, IHeading } from './toc-protocol.js';
import { TOCProviderOption } from './toc-protocol.js';
export type LibroTOCProviderFactory = (option: TOCProviderOption) => LibroTOCProvider;
export declare const LibroTOCProviderFactory: unique symbol;
export declare class LibroTOCProvider implements Disposable {
    protected libroCellTOCProvider: LibroCellTOCProvider;
    protected providerMap: Map<string, CellTOCProvider>;
    headings: IHeading[];
    protected view: LibroView;
    protected toDispose: DisposableCollection;
    protected toDisposeWatcher: DisposableCollection;
    disposed: boolean;
    protected activeCellChangeEmitter: Emitter<IHeading>;
    get activeCellChange(): Event<IHeading>;
    constructor(option: TOCProviderOption, libroCellTOCProvider: LibroCellTOCProvider);
    protected initUpdateWatch(): void;
    protected setupUpdaterWatcher(): void;
    protected handleActiveCellChange: () => void;
    protected updateTOC: () => void;
    protected onActiveCellChanged: () => void;
    protected onCellsChanged: () => void;
    protected onContentChanged: () => void;
    getCellTocProviderList(): {
        cellId: string;
        tocProvider: CellTOCProvider | undefined;
    }[];
    protected getCellTocProviders(): CellTOCProvider[];
    protected getHeadings(): IHeading[];
    selectCellByHeading(heading: IHeading): void;
    getHeadingByCellIndex(index: number): IHeading | undefined;
    dispose(): void;
}
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