docs: private boolean canBeConvertedToJUnit4(VisitorState state, List<Type> argumentTypes) {
      // Delta argument is used.
      if (argumentTypes.size() > 2) {
        return true;
      }
      Type firstType = argumentTypes.get(0);
      Type secondType = argumentTypes.get(1);
      // Neither argument is floating-point.
      if (!isFloatingPoint(state, firstType) && !isFloatingPoint(state, secondType)) {
        return true;
      }
      // One argument is not numeric.
      if (!isNumeric(state, firstType) || !isNumeric(state, secondType)) {
        return true;
      }
      // Neither argument is primitive.
      if (!firstType.isPrimitive() && !secondType.isPrimitive()) {
        return true;
      }
      return false;
    }