import type { Message, MemoryStore } from '../core/types';
export declare class SQLiteConversationStore implements MemoryStore {
    private db;
    private dbPath;
    private ready;
    private dirty;
    constructor(dbPath?: string);
    private init;
    private flush;
    get(_key: string): Promise<unknown>;
    set(_key: string, _value: unknown): Promise<void>;
    getConversation(sessionId: string): Promise<Message[]>;
    addMessage(sessionId: string, message: Message): Promise<void>;
    clear(sessionId?: string): Promise<void>;
}
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