import { DragRef } from './dragRef';
import { DragDropListStrategy } from './strategy/defaultStrategy';
import type { Delta, DragRefEvents, Orientation, Point } from './type';
type DropListEvents = Extract<keyof DragRefEvents, 'exited' | 'enter' | 'dropped'>;
/**
 * 判断鼠标是否靠近容器的宽容值
 */
export declare const DropSortThreshold = 0.112;
export declare class DropListRef {
    private rootElement;
    disabled: boolean;
    enterPredicate: (drag: DragRef, dropList: DropListRef) => boolean;
    sortPredicate: (index: number, drag: DragRef, dropList: DropListRef) => boolean;
    private _dragging;
    private items;
    private registry;
    private scrollElements;
    private rootClientRect;
    private strategy;
    private positionTrack;
    private removeListenScrollEvent;
    private enterEvents;
    private exitedEvents;
    private droppedEvents;
    private unSortItems;
    private dropSortThreshold;
    data: any[];
    /**
     * 拖拽列表组
     *
     * **❗❗只读**
     *
     * **❗❗只读**
     *
     * **❗❗只读**
     *
     */
    private dropListGroup;
    private connectToList;
    private activeSiblings;
    private siblings;
    constructor(rootElement: HTMLElement, strategy?: DragDropListStrategy<DragRef>);
    isDragging(): boolean;
    start(): void;
    standingByReceiving(): void;
    startReceiving(dropList: DropListRef, item: DragRef): void;
    stopReceiving(sibling: DropListRef): void;
    isReceiving(): boolean;
    canReceive(item: DragRef, x: number, y: number): boolean;
    getItemIndex(item: DragRef): number;
    getSiblings(): DropListRef[];
    setDropSortThreshold(threshold: number): void;
    withItems(items: DragRef[]): void;
    withData(data: any[]): void;
    withRootElement(element: HTMLElement): void;
    withConnectTo(list: DropListRef[]): void;
    withDropListGroup(group: Set<DropListRef>): void;
    reset(): void;
    getContainerFromPosition(item: DragRef, x: number, y: number): DropListRef | undefined;
    exit(item: DragRef): void;
    enter(item: DragRef, x: number, y: number, index?: number): void;
    sortItem(item: DragRef, x: number, y: number, delta: Delta): void;
    setOrientation(orientation: Orientation): void;
    addItem(dragRef: DragRef): void;
    removeItem(dragRef: DragRef): void;
    drop(item: DragRef, currentIndex: number, previousIndex: number, previousContainer: DropListRef, distance: Point, dropPoint: Point, event?: MouseEvent | TouchEvent): void;
    destroy(): void;
    forwardSubscribeToEmit<K extends DropListEvents>(emits: (key: K, ...args: Parameters<DragRefEvents[K]>) => void): () => void;
    getScrollableParents(): readonly HTMLElement[];
    subscribe<K extends DropListEvents>(eventName: K, handler: DragRefEvents[K]): (...args: any[]) => any;
    private syncItems;
    private getSortedItems;
    private findItem;
    private executerEvent;
    private startDrag;
    private reListenScrollEvent;
    private listenScrollEvent;
    private cacheParentPositions;
    private syncSiblings;
}
export {};
//# sourceMappingURL=dropListRef.d.ts.map