import type { FlowStore, Viewport, NodeBase, EdgeBase, XYPosition } from './types.ts';
import type { Signal, Memo } from '@barefootjs/client/runtime';
/**
 * Access the flow store from any child component.
 * Must be called within a component rendered inside a Flow.
 */
export declare function useFlow<NodeType extends NodeBase = NodeBase, EdgeType extends EdgeBase = EdgeBase>(): FlowStore<NodeType, EdgeType>;
/**
 * Access the current viewport (reactive getter).
 */
export declare function useViewport(): Signal<Viewport>[0];
/**
 * Access the nodes array (reactive getter).
 */
export declare function useNodes<NodeType extends NodeBase = NodeBase>(): Signal<NodeType[]>[0];
/**
 * Access the edges array (reactive getter).
 */
export declare function useEdges<EdgeType extends EdgeBase = EdgeBase>(): Signal<EdgeType[]>[0];
/**
 * Access whether nodes have been initialized (all measured).
 */
export declare function useNodesInitialized(): Memo<boolean>;
/**
 * Select derived state from the flow store.
 * Similar to React Flow's useStore(selector).
 */
export declare function useStore<T>(selector: (store: FlowStore) => T): Memo<T>;
/**
 * Convert a screen position to flow coordinates.
 * Accounts for viewport transform (pan/zoom) and container offset.
 */
export declare function screenToFlowPosition(position: XYPosition): XYPosition;
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