declare type UpgradeDir = {
    dir: string;
    threads?: number;
    limit?: number;
    skip?: number;
    verbose?: boolean;
    force?: boolean;
};
declare type UpgradeDirResultItem = {
    subdir: string;
    isUpgraded?: boolean;
    error?: string;
};
declare type UpgradeDirResult = UpgradeDirResultItem[];
export declare function upgradeDir({ dir, threads, limit, skip, verbose, force, }: UpgradeDir): Promise<UpgradeDirResult>;
declare type UpgradeOne = {
    filename: string;
    threads?: number;
    verbose?: boolean;
    force?: boolean;
};
export declare function upgradeOne({ filename, threads, verbose, force, }: UpgradeOne): Promise<boolean>;
export {};
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