protected AbstractDOMStoreTransaction(final T identifier, final boolean debug) {
this.identifier = requireNonNull(identifier, "Identifier must not be null.");
this.debugContext = debug ? new Throwable().fillInStackTrace() : null;
protected AbstractDOMStoreTransaction(final T identifier, final boolean debug) {
this.identifier = requireNonNull(identifier, "Identifier must not be null.");
this.debugContext = debug ? new Throwable().fillInStackTrace() : null;