export class Vcs { constructor ( private _revision ? , private _message ? , private _branch ? , private _url ? ) { } get revision ( ) : string { return this . _revision || '' ; } set revision ( value ) { this . _revision = value ; } get message ( ) : string { return this . _message || '' ; } set message ( value ) { this . _message = value ; } get branch ( ) : string { return this . _branch || '' ; } set branch ( value ) { this . _branch = value ; } get url ( ) : string { return this . _url || '' ; } set url ( value ) { this . _url = value ; } }