public async invoke(): Promise<void> {
    return new Promise<void>((res, rej) => {
    fs.readFile(this.templatePath, (outerError: NodeJS.ErrnoException, data: Buffer): void => {
        if (outerError !== null) {
            rej(new Error(`FileNotFoundException: Cannot find file `${this.templatePath}'.`));
        }
    });

    })
}