final DataCommitHandler<P, D> commitHandler) {
synchronized (commitHandler) {
final DataCommitHandlerRegistrationImpl<P, D> registration = new DataCommitHandlerRegistrationImpl<P, D>(
final DataCommitHandler<P, D> commitHandler) {
synchronized (commitHandler) {
final DataCommitHandlerRegistrationImpl<P, D> registration = new DataCommitHandlerRegistrationImpl<P, D>(