protected boolean propertyChanged(String propertyName, Object oldValue, Object newValue) {
		setChanged(true);
		fireEvent(new DomainObjectChangeRecord(DomainObjectEvent.PROPERTY_CHANGED, propertyName,
			newValue));
		return true;
	}
Notification of property change
@param propertyName
@param oldValue
@param newValue
@return true if change is OK, false value should be reverted
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/DomainObjectAdapterDB.java