export interface EmbeddingEntry {
    filePath: string;
    chunkIndex: number;
    chunkText: string;
    gitSha: string;
    model: string;
    vector: Float32Array;
}
export interface EmbeddingSearchResult {
    id: number;
    filePath: string;
    chunkIndex: number;
    chunkText: string;
    score: number;
}
export interface EmbeddingStats {
    fileCount: number;
    chunkCount: number;
    model: string | null;
    dimensions: number | null;
    lastIndexedAt: string | null;
    lastIndexedSha: string | null;
}
export interface IndexMeta {
    sha: string;
    model: string;
    dimensions: number;
}
export interface EmbeddingStore {
    saveEmbeddings(entries: EmbeddingEntry[]): Promise<void>;
    searchEmbeddings(queryVector: Float32Array, limit?: number): Promise<EmbeddingSearchResult[]>;
    getIndexedFiles(): Promise<Array<{
        filePath: string;
        gitSha: string;
        model: string;
    }>>;
    deleteEmbeddingsByFile(filePath: string): Promise<void>;
    getEmbeddingStats(): Promise<EmbeddingStats>;
    setIndexMeta(sha: string, model: string, dimensions: number): Promise<void>;
    getIndexMeta(): Promise<IndexMeta | null>;
}
/** Runtime type guard — check if a store supports embedding operations. */
export declare function hasEmbeddingSupport(store: unknown): store is EmbeddingStore;
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