private static String getConstantAddressRepresentation(Address address) {
		int offset = (int) address.getOffset();
		boolean neg = (offset < 0);
		return "Constant[" + (neg ? "-" : "+") + "0x" +
			Integer.toHexString(neg ? -offset : offset) + "]";
	}
@return true if location corresponds to memory address
Ghidra/Features/Base/src/main/java/ghidra/util/table/field/AddressBasedLocation.java