@Override
	public boolean isValidRange(long byteOffset, long length) {
		Address start;
		try {
			start = getAddress(byteOffset);
		}
		catch (Exception e1) {
			return false;
		}
		if (length == 0) {
			return false;
		}
		try {
			addNoWrap(start, length - 1);
		}
		catch (AddressOverflowException e) {
			return false;
		}
		return true;
	}
Returns the unique id value for this space.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/address/AbstractAddressSpace.java