MODE-1606 added a way to retrieve all the binary keys (but may benefit from refactoring after ISPN-2192) [1].
getAllBinaryKeys() still needs to be implemented on InfinispanBinaryStore.
[1] https://github.com/ModeShape/modeshape/blob/master/modeshape-jcr/src/main/java/org/modeshape/jcr/InfinispanUtil.java