code: @Override
    public IVersion getMaximum()
    {
      if (isBounded) {
        IVersion v2 = range2.getMaximum();
        return v2;
      }
  
      throw new UnsupportedOperationException();
    }
docs: /*
  (non-Javadoc)
  @see net.ossindex.version.impl.IVersionRange#getMaximum()