import type { BrainBackend, BrainEntry } from '../types.js';
export declare class BrainStore implements BrainBackend {
    private db;
    private dbPath;
    private saveTimer;
    constructor(dbPath: string);
    initAsync(): Promise<void>;
    init(): void;
    private initSchema;
    upsert(entry: BrainEntry): void;
    get(id: string): BrainEntry | null;
    getAll(): BrainEntry[];
    ftsSearch(query: string, limit: number): Array<{
        entry: BrainEntry;
        rank: number;
    }>;
    delete(id: string): void;
    close(): void;
    private save;
    private debounceSave;
    private rowToEntry;
}
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