import { SortableOrientation, EventActiveUserData, EventOverUserData, DropPosition } from '../types';
export declare function filterUserEventData<T extends {
    active: EventActiveUserData;
    over?: EventOverUserData;
}>({ active, over, }: T): T;
export declare function getDropIndex(overIndex: number, totalItemsCount: number, dropPosition: DropPosition | null): number;
export declare function getDropPositionByIndex(activeIndex: number, overIndex: number): DropPosition | null;
export declare function getDropPositionByRect(activeRect: DOMRect | null, overRect: DOMRect | null, orientation?: SortableOrientation): DropPosition | null;
export declare function getRectCenter(rect: DOMRect | null, orientation?: SortableOrientation): number;