import type { DragDropManager, DropTarget, Unsubscribe, Identifier, TargetType, SourceType, DragSource } from 'dnd-core';
import { MaybeRef } from '../types/utils';
export declare function registerTarget(type: MaybeRef<TargetType>, target: MaybeRef<DropTarget>, manager: MaybeRef<DragDropManager>): [Identifier, Unsubscribe];
export declare function registerSource(type: SourceType, source: DragSource, manager: DragDropManager): [Identifier, Unsubscribe];