@Override
	public void setPropertyRangeRemoved(String propertyName, Address start, Address end) {
		if (recordChanges) {
			updateChangeSet(start, end);
		}
		changed = true;
		fireEvent(new CodeUnitPropertyChangeRecord(ProgramEvent.CODE_UNIT_PROPERTY_RANGE_REMOVED,
			propertyName, start, end));
	}
Notification that a symbol was added.
@param symbol the symbol that was added.
@param eventType the type of change
@param addr the address of the symbol that added
@param oldValue old value depends on the type of the change
@param newValue old value depends on the type of the change
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/ProgramDB.java