/**
 * Session export — saves conversations to ~/.owlcoda/exports/
 */
export interface ExportedSession {
    sessionId: string;
    model: string;
    messageCount: number;
    tokenUsage: {
        inputTokens: number;
        outputTokens: number;
        totalTokens: number;
    };
    exportedAt: string;
    format: 'json' | 'markdown';
    messages?: unknown[];
}
export declare function exportSession(sessionId: string, model: string, messageCount: number, format?: 'json' | 'markdown'): Promise<string>;
