void (@NotNull PsiTreeChangeEventImpl event) { beforeChange(true); event.setCode(PsiTreeChangeEventImpl.PsiEventType.BEFORE_PROPERTY_CHANGE); if (LOG.isDebugEnabled()) { LOG.debug("beforePropertyChange: element = " + logPsi(event.getElement()) + ", propertyName = " + event.getPropertyName() + ", oldValue = " + arrayToString(event.getOldValue())); } fireEvent(event); }