private void checkDeleted() {
		if (invalid) {
			throw new ConcurrentModificationException("AddressSetPropertyMap has been deleted.");
		}
	}
Move the address range to a new starting address.
@param fromAddr move from address
@param toAddr move to address
@param length number of address to move
@param monitor
@throws CancelledException
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/util/AddressSetPropertyMapDB.java