.field("title", "myTitle")
.field("books", "myBooks")
.byDefault()
.toClassMap());
factory.registerClassMap(factory.classMap(Author.class, AuthorMyDTO.class).field("name", "myName").byDefault().toClassMap());
factory.registerClassMap(factory.classMap(Book.class, BookMyDTO.class)
.field("title", "myTitle")
.field("author", "myAuthor")
.byDefault()
.toClassMap());