import { NodeId, Position } from '../types/core';
/**
 * @file Context for managing node drag state during drag operations
 */
import * as React from "react";
export type DragState = {
    nodeIds: NodeId[];
    startPosition: Position;
    offset: Position;
    initialPositions: Record<NodeId, Position>;
    affectedChildNodes: Record<NodeId, NodeId[]>;
};
export type DragStateActionsValue = {
    startDrag: (nodeIds: NodeId[], startPosition: Position, initialPositions: Record<NodeId, Position>, affectedChildNodes: Record<NodeId, NodeId[]>) => void;
    updateDrag: (offset: Position) => void;
    endDrag: () => void;
};
export type DragStateContextValue = DragStateActionsValue & {
    dragState: DragState | null;
};
export declare const DragStateProvider: React.FC<{
    children: React.ReactNode;
}>;
/**
 * Hook to access only the drag state
 * Use this when you only need to read the current drag state
 * Note: Returns null when not dragging, DragState when dragging
 */
export declare const useDragStateState: () => DragState | null;
/**
 * Hook to access only the drag state actions
 * Use this when you only need to dispatch actions and don't need to re-render on drag state changes
 * The returned actions have stable references and won't cause re-renders
 */
export declare const useDragStateActions: () => DragStateActionsValue;
/**
 * Hook to access both state and actions (backward compatible)
 * Prefer useDragStateState or useDragStateActions for better performance
 */
export declare const useDragState: () => DragStateContextValue;