import type { ViewRoamOptions, IView, InteractionEvent, IScale, IData, IViewZoomMixin, IViewScrollMixin, IViewDragMixin, InteractionEventHandler } from '../types';
import { ViewNavigationBase } from './view-navigation-base';
export interface ViewRoam extends Pick<IViewDragMixin, 'handleDragStart' | 'handleDragEnd' | 'handleDragUpdate'>, Pick<IViewScrollMixin, 'formatScrollEvent' | 'handleScrollStart' | 'handleScrollEnd'>, Pick<IViewZoomMixin, 'formatZoomEvent' | 'handleZoomStart' | 'handleZoomEnd' | 'handleZoomReset' | 'updateZoomRange'>, ViewNavigationBase<ViewRoamOptions> {
}
export declare class ViewRoam extends ViewNavigationBase<ViewRoamOptions> {
    static type: string;
    type: string;
    static defaultOptions: ViewRoamOptions;
    protected _inited?: boolean;
    protected _lastScale: number;
    protected _scaleX: IScale;
    protected _scaleY: IScale;
    protected _data: IData;
    protected handleRoamZoomStart: (e: InteractionEvent) => void;
    protected handleRoamDragUpdate: (e: InteractionEvent) => void;
    protected handleRoamScrollStart: (e: InteractionEvent) => void;
    protected _isDragStarted?: boolean;
    protected _isScrollStarted?: boolean;
    protected _isZoomStarted?: boolean;
    constructor(view: IView, option?: ViewRoamOptions);
    protected getEvents(): {
        type: string;
        handler: InteractionEventHandler;
    }[];
    handleRoamZoomStartInner: (e: InteractionEvent) => void;
    handleRoamZoomEnd: (e: InteractionEvent) => void;
    handleRoamZoomReset: (e: InteractionEvent) => void;
    handleRoamDragStart: (e: InteractionEvent) => void;
    handleRoamDragUpdateInner: (e: InteractionEvent) => void;
    handleRoamDragEnd: (e: InteractionEvent) => void;
    handleRoamScrollStartInner: (e: InteractionEvent) => void;
    handleRoamScrollEnd: (e: InteractionEvent) => void;
}