export interface HnswSearchResult {
    id: string;
    score: number;
}
export declare class HnswLite {
    private vectors;
    private neighbors;
    private readonly dimensions;
    private readonly maxNeighbors;
    private readonly efConstruction;
    private readonly metric;
    constructor(dimensions: number, m: number, efConstruction: number, metric: string);
    get size(): number;
    add(id: string, vector: Float32Array): void;
    remove(id: string): void;
    search(query: Float32Array, k: number, threshold?: number): HnswSearchResult[];
    private bruteForce;
    private findNearest;
    private pruneNeighbors;
    private similarity;
}
export declare function cosineSimilarity(a: Float32Array, b: Float32Array): number;
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