All the previously mentioned question parameters, except textDecorations and textFormat may be used as-is or ported to use with our API. @MarkusMeskanen: as the item is immutable, and if you mutated it in position you may not specialise it in a subclass. it will eventually get the job done as https://lowriseprojectsgurgaon.car.blog/2025/09/12/bptp-gaia-residences-sector-102-gurgaon-dwarka-expressway/