import { Mode } from './../../utils/types';
import { SyncEvent } from '../../event/SyncEvent';
import { WhitePage } from '../WhitePage/index';
import { EventHub } from '../../event/EventHub';
import './index.less';
import { WhiteboardSnap } from '../AbstractWhiteboard/snap';
export declare abstract class AbstractWhiteboard {
    id: string;
    sources: string[];
    target: HTMLDivElement;
    imgEles: HTMLDivElement[];
    imgsContainer: HTMLDivElement;
    pagesContainer: HTMLDivElement;
    allowRollback: boolean;
    autoFit: boolean;
    onlyEmitSnap: boolean;
    drawboardMountPoint: 'body' | 'parent';
    snapInterval: number;
    eventHub?: EventHub;
    mode: Mode;
    isFullscreen: boolean;
    pages: WhitePage[];
    readonly activePage: WhitePage;
    readonly pageMap: Record<string, WhitePage>;
    siema: any;
    snapHistory: WhiteboardSnap[];
    isInitialized: boolean;
    isSyncing: boolean;
    visiblePageIndex: number;
    emitInterval: any;
    constructor(target: HTMLDivElement, { sources, eventHub, visiblePageIndex, allowRollback, onlyEmitSnap, drawboardMountPoint }?: Partial<AbstractWhiteboard>);
    open(): void;
    close(): void;
    show(): void;
    hide(): void;
    emit(borderEvent: SyncEvent): void;
    captureSnap(shadow?: boolean): WhiteboardSnap;
    rollbackSnap(): void;
    destroy(): void;
    protected abstract init(): void;
    protected initSiema(): void;
    protected abstract onPageChange(nextPageIndex: number): void;
    protected applySnap(snap: WhiteboardSnap): void;
}