import { type DropListRef } from './dropListRef';
import type { DragConfig, DragRefEvents } from './type';
export declare class DragRef {
    private rootElement;
    private context;
    private previewContainer;
    private previewTemplate?;
    private placeholderTemplate?;
    private readonly dragConfig;
    private _disabled;
    private previewInstance?;
    private previewElement;
    private previewClientRect?;
    private placeholderElement;
    private placeholderInstance?;
    private dragBoundaryElement?;
    private dragBoundaryClientRect?;
    private viewportDispose;
    private anchor?;
    /**
     * 触发元素
     */
    private handlerElement?;
    /**
     * 是否监听过事件
     */
    private isListening;
    /**
     * 全局拖拽事件
     */
    private registry;
    private dragPositionTrack;
    /**
     * 缓存元素是否位于拖拽样式
     */
    private elementEnable;
    private parentDragRef?;
    private lastTouchEventTime;
    private hasStartedDragging;
    private hasMoved;
    private initialTransform?;
    private initialRootElementClientRect?;
    private pickUpPositionOnPage;
    private pickupPositionOnElement;
    private lastPointPosition;
    private pointerDirectionDelta;
    private pointerPositionAtLastDirectionChange;
    private dragStartTime;
    private dropContainer?;
    /**
     * 拖拽中的位移信息
     */
    private activeTransform;
    /**
     * 拖拽结束之后的位移信息
     *
     * @remark
     * 这个主要是针对自由拖拽
     */
    private passiveTransform;
    private moveEvents;
    private startedEvents;
    private releaseEvents;
    private endedEvents;
    private exitedEvents;
    private enterEvents;
    private droppedEvents;
    private document;
    private initialContainer?;
    private initialIndex;
    /**
     * 拖拽进其他容器时传输的对象
     */
    private _data;
    private registrySubscription;
    constructor(rootElement: HTMLElement, context: any, previewContainer: HTMLElement, previewTemplate?: (() => HTMLElement) | undefined, placeholderTemplate?: (() => HTMLElement) | undefined, _dragConfig?: Partial<DragConfig>);
    get disabled(): boolean | undefined;
    get data(): any;
    withData(data: any): void;
    getPreviewEle(): HTMLElement | null;
    getPlaceholderEle(): HTMLElement | null;
    disableDrag(): void;
    enableDrag(): void;
    destroy(): void;
    withRootElement(element: HTMLElement): void;
    isDragging(): boolean;
    withHandlerElement(ele: HTMLElement): void;
    withParentDragRef(parentDragRef: DragRef): void;
    withDropContainer(dropContainer: DropListRef): void;
    withDragBoundary(element?: HTMLElement): void;
    forwardSubscribeToEmit<K extends keyof DragRefEvents>(emits: (key: K, ...args: Parameters<DragRefEvents[K]>) => void, eventNames?: K[]): () => void;
    subscribe<K extends keyof DragRefEvents>(eventName: K, handler: DragRefEvents[K]): (...args: any[]) => any;
    /**
     * 当位于拖拽容器发生顺序变换时所执行的更新方法
     *
     * @internal
     */
    updatePositionOnResort(): void;
    getVisibleElement(): HTMLElement;
    private toggleDragStyle;
    reset: () => void;
    /**
     * 窗口大小变更之后 我们需要判断下拖拽对象是否还位于范围之内 并做一些处理
     */
    private handlerBoundaryOnResize;
    private setDragPosition;
    private removePreviewInstance;
    private addListener;
    private removeListener;
    private dragStartHandler;
    private pointerDown;
    private initializeDrag;
    private scrollHandler;
    private pointUpHandler;
    private mouseMoveHandler;
    private startDrag;
    private endDrag;
    private cleanupDragArtifacts;
    private waitPreviewAnimateToPlaceholder;
    private applyPreviewElementTransform;
    private cleanPositionTrackCache;
    private executerEvent;
    private applyRootElementTransform;
    private updateActiveDropContainer;
    private updatePointerDirectionDelta;
    private getPointerPosition;
    private getDragDistance;
    private getPointerPositionOnPage;
    /**
     * 根据当前鼠标位置获取预览元素的位置
     * @param point
     */
    private getPreviewPositionOnPage;
    private getPreviewRect;
    private getScrollPosition;
    private createPlaceholderElement;
    private destroyPlaceHolder;
    private createPreviewElement;
    private destroyPreview;
}
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