override final registerCommitHandler(P path, DataCommitHandler<P, D> commitHandler) {\r
val registration = new DataCommitHandlerRegistrationImpl(path, commitHandler, this);\r
commitHandlers.put(path, registration)\r
override final registerCommitHandler(P path, DataCommitHandler<P, D> commitHandler) {\r
val registration = new DataCommitHandlerRegistrationImpl(path, commitHandler, this);\r
commitHandlers.put(path, registration)\r