import { ActiveDrag, DragItem, DropNodeSpec, DropPosition, DropResult, Unsubscribe } from './types';
type Listener = () => void;
interface OverState {
    nodeId: string;
    position: DropPosition | undefined;
}
export declare function registerDropNode(spec: DropNodeSpec): Unsubscribe;
export declare function updateDropNode(id: string, patch: Partial<DropNodeSpec>): void;
export declare function getDropNode(id: string): DropNodeSpec | undefined;
export declare function getAllDropNodes(): DropNodeSpec[];
export declare function subscribeGlobal(listener: Listener): Unsubscribe;
export declare function subscribeNode(id: string, listener: Listener): Unsubscribe;
export declare function getActiveDrag(): ActiveDrag | null;
export declare function setActiveDrag(drag: ActiveDrag | null): void;
export declare function updateActiveDrag(patch: Partial<ActiveDrag>): void;
export declare function getOverStack(): ReadonlyArray<OverState>;
export declare function isOver(nodeId: string): boolean;
export declare function isOverCurrent(nodeId: string): boolean;
export declare function getOverPosition(nodeId: string): DropPosition | undefined;
export declare function setOverStack(next: Array<OverState>): void;
export declare function canDropOn(nodeId: string): boolean;
export declare function specAcceptsItem(spec: DropNodeSpec, item: DragItem): boolean;
export declare function setDropResult(result: DropResult | null): void;
export declare function resetActiveForEnd(): void;
export declare function resetRegistry(): void;
export {};