import type { IMemoryStore, RetentionPolicy } from './IMemoryStore.ts';
export interface VectorRecord {
    id: string;
    vector: number[];
    metadata?: Record<string, unknown>;
    content: string;
    createdAt: Date;
}
export interface VectorSearchResult {
    record: VectorRecord;
    score: number;
}
export interface IVectorStore {
    connect(path: string): Promise<void>;
    disconnect(): void;
    add(records: VectorRecord[]): Promise<void>;
    search(query: number[], topK: number, filter?: Record<string, unknown>): Promise<VectorSearchResult[]>;
    delete(keyOrFilter: string | Record<string, unknown>): Promise<number>;
    stats(): Promise<{
        totalVectors: number;
        dimension: number;
        totalEntries: number;
        oldestEntry: Date | null;
    }>;
    getById(id: string): Promise<VectorRecord | null>;
    getByKeyPrefix(prefix: string, limit?: number): Promise<VectorRecord[]>;
}
export declare function escapeLike(value: string): string;
/** Builds a metadata LIKE clause for the given equality filters. */
export declare function toSqlFilter(filter: Record<string, unknown>): string;
export declare class LanceDBStore implements IVectorStore, IMemoryStore<VectorRecord> {
    private dimension;
    private db;
    private table;
    private tableName;
    constructor(dimension?: number);
    private assertConnected;
    connect(path: string): Promise<void>;
    disconnect(): void;
    add(records: VectorRecord[]): Promise<void>;
    search(query: number[], topK: number, filter?: Record<string, unknown>): Promise<VectorSearchResult[]>;
    delete(keyOrFilter: string | Record<string, unknown>): Promise<number>;
    stats(): Promise<{
        totalVectors: number;
        dimension: number;
        totalEntries: number;
        oldestEntry: Date | null;
    }>;
    private rowToRecord;
    set(key: string, value: VectorRecord, _ttlMs?: number): Promise<void>;
    get(key: string): Promise<VectorRecord | undefined>;
    has(key: string): Promise<boolean>;
    clear(): Promise<void>;
    size(): Promise<number>;
    getById(id: string): Promise<VectorRecord | null>;
    getByKeyPrefix(prefix: string, limit?: number): Promise<VectorRecord[]>;
    private removeOldestRecords;
    prune(policy: RetentionPolicy): Promise<number>;
}
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