my use case is that I've got a javafx [`Insets`](<...

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[groostav]

my use case is that I've got a javafx [Insets](https://docs.oracle.com/javase/8/javafx/api/javafx/geometry/Insets.html) object, and im looking to create a new one (a-le immutable persistent factory) with one of its 4 parameters changed