A suggestion to be able to provide warnings for code that needs to be changed.
"If my understanding of the architecture of jdeprscan is correct, it should be a "small matter of programming" to add a check along the lines of
classes which subclass FIS/FOS (or other class with a deprecated-for-removal finalize method) AND
override methods from some pre-determined list
Depending on how hacky or ad hoc a solution was acceptable, the list of method names could be stored in a non-documented JDK-specific annotation on { FIS/FOS}.finalize. Basically, a list of the self-use methods called from the finalize method.
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