import { ExifToolTask, ExifToolTaskOptions } from "./ExifToolTask";
/**
 * Task for retrieving the ExifTool version string.
 */
export declare class VersionTask extends ExifToolTask<string> {
    private static readonly versionRegex;
    /**
     * @param options task options
     */
    constructor(options?: ExifToolTaskOptions);
    protected parse(input: string): string;
}