import type { ConversationThread, FetchHistoryOptions, IConversationHistoryProvider, Platform } from './types';
export declare class SqliteConversationProvider implements IConversationHistoryProvider {
    private readonly dbPath;
    constructor(dbPath?: string);
    private getThreadRepo;
    updateThread(id: string, patch: {
        title?: string;
    }): void;
    ensureThread(threadId: string, platform: Platform, workspaceId?: string): Promise<{
        created: boolean;
    }>;
    fetchHistory(threadId: string, options?: FetchHistoryOptions): Promise<ConversationThread>;
    saveUserMessage(threadId: string, text: string, _userId?: string, _metadata?: Record<string, unknown>): Promise<{
        id: string;
        firstMessage: boolean;
    }>;
    saveAssistantMessage(threadId: string, text: string, _agentId: string, _metadata?: Record<string, unknown>): Promise<{
        id: string;
    }>;
    close(): void;
    private normalizeStatus;
    private rowsToMessages;
}