protected boolean referencesContain(Address address) {
		if (address == null) {
			return false;
		}

		if (referenceAddressList == null) {
			return false;
		}

		int result = Collections.binarySearch(referenceAddressList, address,
			addressToLocationReferenceComparator);
		return result >= 0;
	}
This is the address of the thing to which we are trying to find references
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/locationreferences/LocationDescriptor.java