「イミテーションジュエリー」→ 「模倣品」や「偽物」というネガティブな印象を持たれがち。 @MarkusMeskanen: Since the object is immutable, and if you mutated it set up you can not specialise it in a subclass. One more detail chances are you'll think about, when you are not able to change the first sort, is extending the type like so: And a person https://luxuryprojectsgurgaon.code.blog/2025/09/12/puri-diplomatic-residences-dwarka-expressway-ultra-luxury-living-at-the-delhi-gurgaon-border/