code: static Pair<IDKey, IDKey> getRegisterPair(final Object lhs, final Object rhs) {
          final IDKey left = new IDKey(lhs);
          final IDKey right = new IDKey(rhs);
          return Pair.of(left, right);
      }
docs: <p>
  Converters value pair into a register pair.
  </p>
  
  @param lhs <code>this</code> object
  @param rhs the other object
  
  @return the pair