Numerous classes in entity-persistence are not thread safe. If this is by design (code is expected to run
within a single worker thread), that's fine, but there is a complete absence of comments as to the intent.
Examples of such files include XMLClassAccessor.java (multiple mutable variables not protected by
synchronized), and many other classes with mutable variables.
Request that code be comment appropriately to indicate that it is not thread safe (by design).