private void checkReservedExternal(AddressSpace space) {
		if (space.getType() == AddressSpace.TYPE_EXTERNAL ||
			space.getName().equalsIgnoreCase(AddressSpace.EXTERNAL_SPACE.getName())) {
			throw new IllegalArgumentException("External space should not be specified");
		}
	}
Constructs a new DefaultAddressFactory with the given spaces and default space.
@param addrSpaces the set of addressSpaces to manage
@param defaultSpace the space to use as the default space. The default space should
be one of the spaces provided in the addrSpaces array.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/address/DefaultAddressFactory.java