How to remove a object from listEditor in new editor framework?

suppose I got a person object with list of book and I bind it to a
@Path("books")
ListEditor<Book, BookUI> listEditor = ListEditor.of(new
BookUIFactory());

when the BookUI receive a remove book click, how should I suppose to
update the underlying list and and the editor framework?

same question on how to add a new book too?
thanks for you help.

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