public boolean isValidAddress() {
			return (addressCodeUnit != null);
		}
Returns true if there is a {@link CodeUnit} for the address
wrapped by this info.  If not, then we do not have a valid address.

@return true if there is a {@link CodeUnit} for the address
        wrapped by this info.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/disassembler/DisassembledViewPlugin.java