/**
 * The upgrader for the version.ts
 */
export declare class VersionJsonUpgrader {
    private readonly fileName;
    private filePath;
    private fileWriter;
    private messages;
    /**
     * the constructor.
     * @param filePath the file path.
     */
    constructor(filePath: string);
    /**
     * the run function to resolve the errors.
     */
    run(): Promise<void>;
}