// This can be a industry That may be unique in each instance of a class private int _field; // That is a property that accesses a subject, but because it's visibility // is guarded only subclasses will know concerning this property // (and thru it the sphere) - https://propertyingurugram.in/hero-realty-sells-77-plots-in-gurugram-project-for-rs-180-cr-in-single-day/