I'd recommend prefixing these. EventStore is pretty common, which theoretically could lead to collisions. KIOEventStore or something.

Also, semi-related. You know EventStore is what Apple calls [their calendaring stuff](https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CCsQFjAA&url=https%3A%2F%2Fdeveloper.apple.com%2Flibrary%2Fios%2Fdocumentation%2FEventKit%2FReference%2FEKEventStoreClassRef%2FReference%2FReference.html&ei=e_g5U7rTLKigyAGCk4DABg&usg=AFQjCNEfvmwBYdzz6i6BVP4aTTNl7UQenQ&sig2=YKyANv4b7YUHaDoE7f6JpQ&bvm=bv.63934634,d.aWc)?