private boolean isEqual(BigInteger value1, BigInteger value2) {
		if (value1 == null) {
			return value2 == null;
		}
		return value1.equals(value2);
	}
Returns the FactoryField for the given object at index index.
@param varWidth the amount of variable width spacing for any fields
before this one.
@param proxy the object whose properties should be displayed.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/RegisterTransitionFieldFactory.java