/**
 * kivo upgrade-quality — Batch LLM rewrite of low-quality entries (FR-N03)
 *
 * AC coverage:
 *   AC4: --batch mode, old version preserved (new version inserted)
 *   AC5: --domain <value> to filter by domain
 *   AC8: --threshold <N> custom threshold
 */
export interface UpgradeQualityOptions {
    batch?: boolean;
    domain?: string;
    threshold?: number;
    dryRun?: boolean;
    json?: boolean;
    cwd?: string;
}
export declare function runUpgradeQuality(options?: UpgradeQualityOptions): Promise<string>;
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