export interface FileVersion {
    /** Application that last saved the workbook ("xl" for Excel). */
    appName?: string;
    /** Build number of the last editor (e.g. "7.5210"). */
    lastEdited?: string;
    /** Build number of the lowest editor (oldest Excel that touched the file). */
    lowestEdited?: string;
    /** Internal "rolled-up build" number. */
    rupBuild?: string;
    /** GUID identifying the file content (Excel uses it to detect re-saves). */
    codeName?: string;
}
export declare const makeFileVersion: (opts?: FileVersion) => FileVersion;