# What does EntityManagerFactoryBuilder.Builder.packages(Class...) do with the classes it is given?

jar: spring-boot-jpa-4.1.1.jar

--- javap -c: the calls made inside packages(java.lang.Class<?>...) ---
invokespecial #34                 // Method java/util/HashSet."<init>":()V
invokestatic  #35                 // Method org/springframework/util/ClassUtils.getPackageName:(Ljava/lang/Class;)Ljava/lang/String;
invokeinterface #41,  2           // InterfaceMethod java/util/Set.add:(Ljava/lang/Object;)Z
invokestatic  #47                 // Method org/springframework/util/StringUtils.toStringArray:(Ljava/util/Collection;)[Ljava/lang/String;