public void clearProperties(Address start, Address end, TaskMonitor monitor)
			throws CancelledException {
		propertyMapMgr.removeAll(start, end, monitor);
	}
Clears the properties in the given range (inclusive).
The specified start and end addresses must form a valid range within
a single {@link AddressSpace}.

@param start the start address of the range to clear
@param end the end address of the range to clear
@param monitor the task monitor
@throws CancelledException if cancelled
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/CodeManager.java