/**
 * React Flow compatibility shims for desk migration.
 *
 * These functions mirror the React Flow hooks API so that
 * desk components can be ported with minimal changes.
 */
import type { NodeBase, EdgeBase, Viewport, XYPosition } from './types.ts';
import type { Connection, NodeChange, EdgeChange } from '@xyflow/system';
/**
 * useNodesState — mirrors React Flow's useNodesState.
 * Returns [nodes getter, setNodes, onNodesChange handler].
 */
export declare function useNodesState<NodeType extends NodeBase = NodeBase>(initialNodes: NodeType[]): [() => NodeType[], (updater: NodeType[] | ((prev: NodeType[]) => NodeType[])) => void, (changes: NodeChange[]) => void];
/**
 * useEdgesState — mirrors React Flow's useEdgesState.
 * Returns [edges getter, setEdges, onEdgesChange handler].
 */
export declare function useEdgesState<EdgeType extends EdgeBase = EdgeBase>(initialEdges: EdgeType[]): [() => EdgeType[], (updater: EdgeType[] | ((prev: EdgeType[]) => EdgeType[])) => void, (changes: EdgeChange[]) => void];
/**
 * useReactFlow — mirrors React Flow's useReactFlow hook.
 * Returns an object with common flow manipulation methods.
 */
export declare function useReactFlow<NodeType extends NodeBase = NodeBase, EdgeType extends EdgeBase = EdgeBase>(): {
    getNodes: () => NodeType[];
    getEdges: () => EdgeType[];
    getNode: (id: string) => NodeType | undefined;
    getZoom: () => number;
    getViewport: () => Viewport;
    setNodes: (valueOrFn: NodeType[] | ((prev: NodeType[]) => NodeType[])) => void;
    setEdges: (valueOrFn: EdgeType[] | ((prev: EdgeType[]) => EdgeType[])) => void;
    setViewport: (vp: Viewport) => void;
    setCenter: (x: number, y: number, options?: {
        zoom?: number;
        duration?: number;
    }) => void;
    fitView: (options?: import("./types.ts").FitViewOptions) => void;
    zoomIn: (options?: {
        duration?: number;
    }) => void;
    zoomOut: (options?: {
        duration?: number;
    }) => void;
    zoomTo: (zoom: number, options?: {
        duration?: number;
    }) => void;
    updateNode: (id: string, update: Partial<NodeType> | ((node: NodeType) => Partial<NodeType>)) => void;
    updateNodeData: (id: string, data: Partial<NodeType['data']> | ((prev: NodeType['data']) => Partial<NodeType['data']>)) => void;
    addEdges: (newEdges: EdgeType[]) => void;
    deleteElements: (params: {
        nodes?: NodeType[] | undefined;
        edges?: EdgeType[] | undefined;
    }) => void;
    screenToFlowPosition: (position: XYPosition) => XYPosition;
};
/**
 * useViewport — reactive viewport getter.
 */
export { useViewport } from './hooks.ts';
/**
 * addEdge utility — wraps @xyflow/system's addEdge.
 */
export declare function addEdge<EdgeType extends EdgeBase = EdgeBase>(connection: Connection, edges: EdgeType[]): EdgeType[];
/**
 * reconnectEdge utility — wraps @xyflow/system's reconnectEdge.
 */
export declare function reconnectEdge<EdgeType extends EdgeBase = EdgeBase>(oldEdge: EdgeType, newConnection: Connection, edges: EdgeType[]): EdgeType[];
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