Let's undergo almost everything which has a circumstance situation. But just before that, let us look at some OOP concepts. @MarkusMeskanen: because the object is immutable, and when you mutated it set up you can not specialise it in the subclass. Consumer-Agent - User agent to implement for that lookup, https://housingprojectsgurgaon.finance.blog/2025/09/12/trehan-mks-county-sector-2-sohna-gurgaon-fully-furnished-luxury-floors-with-smart-living/