import type { DatabaseSync } from 'node:sqlite';
export interface CtxHistoryExportResult {
    outputDir: string;
    historyPath: string;
    manifestPath: string;
    sessionCount: number;
    eventCount: number;
    changed: boolean;
}
export declare function resolveDefaultCtxHistoryExportDir(env?: NodeJS.ProcessEnv): string;
export declare function exportCtxHistory(db: DatabaseSync, options?: {
    outputDir?: string;
    env?: NodeJS.ProcessEnv;
}): Promise<CtxHistoryExportResult>;