@Override
	public boolean removeRange(Address startAddr, Address endAddr) {
		lock.acquire();
		try {
			checkDeleted();
			if (propertyTable == null) {
				return false;
			}
			if (AddressRecordDeleter.deleteRecords(propertyTable, addrMap, startAddr, endAddr)) {
				cache = new ObjectCache<>(DEFAULT_CACHE_SIZE);
				return true;
			}
		}
		catch (IOException e) {
			errHandler.dbError(e);
		}
		finally {
			lock.release();
		}
		return false;
	}
Delete this property map and all underlying tables.
This method should be overidden if any table other than the 
default propertyTable is used.
@throws IOException if IO error occurs
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/properties/PropertyMapDB.java