Let's go through anything which has a situation circumstance. But prior to that, let's talk about some OOP ideas. @MarkusMeskanen: since the object is immutable, and if you mutated it set up you can not specialise it within a subclass. This was spotted by Khushal Bherwani who posted an instance https://newlaunchprojectsnoidaextension.blogspot.com/2025/09/bptp-gaia-residences-sector-102-gurgaon.html