export interface SearchResult {
    docId: string;
    distance: number;
    metadata?: Record<string, unknown>;
}
export interface NodeExport {
    id: number;
    docId: string;
    level: number;
    neighbors: Record<number, number[]>;
}
export declare class HNSWIndex {
    private dimensions;
    private metric;
    private M;
    private efConstruction;
    private nodes;
    private docIdMap;
    private enterPoint;
    private nextNodeId;
    private maxLevel;
    constructor(dimensions: number, metric?: 'cosine' | 'l2', M?: number, efConstruction?: number);
    insert(docId: string, vector: Float32Array): void;
    search(query: Float32Array, k: number): SearchResult[];
    private searchLayer;
    private selectNeighbors;
    private distance;
    private randomLevel;
    size(): number;
    exportNodes(): Map<number, NodeExport>;
    importNodes(exported: NodeExport[], vectors: Map<number, Float32Array>): void;
}
//# sourceMappingURL=HNSWIndex.d.ts.map