import type { DragRef } from './dragRef';
import type { DropListRef } from './dropListRef';
type DragEventName = 'pointUp' | 'mousemove' | 'touchmove' | 'scroll';
export declare const passiveEventListenerOptions: boolean | AddEventListenerOptions;
export declare const activeEventListenerOptions: boolean | AddEventListenerOptions;
export declare const activeCapturingEventOptions: boolean | AddEventListenerOptions;
declare class DragDropGlobalEventManager<T extends {
    isDragging(): boolean;
}, C> {
    private document;
    private dropContainerInstance;
    private dragInstance;
    private dragEventMap;
    private predicate;
    constructor();
    dispose(): void;
    addDropContainer(dropContainer: C): void;
    removeDropContainer(dropContainer: C): void;
    startDrag(instance: any, event: TouchEvent | MouseEvent): undefined;
    stopDrag(instance: T): void;
    isDragging(item: T): boolean;
    private listenMoveEvent;
    private removeListener;
    private selectstartHandler;
    private pointUpHandler;
    private mouseMoveHandler;
    private scrollHandler;
    private touchMoveHandle;
    subscribe(eventName: DragEventName, handler: (event: any) => void): () => void;
}
export declare const DragDropRegistry: DragDropGlobalEventManager<DragRef, DropListRef>;
export declare function isTouchEvent(event: Event): event is TouchEvent;
declare class ViewPort {
    private document;
    private eventHandlers;
    private onResize;
    private addHandler;
    private deleteHandler;
    private getWindows;
    /**
     * 监听window onResize 变化
     *
     * 返回的是一个取消订阅的函数
     * @param handler
     * @returns
     */
    subscribe(handler: (event: Event) => void): () => void;
}
export declare const ViewPortRegister: ViewPort;
export {};
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