code: public static ResultDescriptor ofResult(final Class<? extends AnalyzerResult> resultClass) {
          ResultDescriptor resultDescriptor = _resultDescriptors.get(resultClass);
          if (resultDescriptor == null) {
              resultDescriptor = new ResultDescriptorImpl(resultClass);
              _resultDescriptors.put(resultClass, resultDescriptor);
          }
          return resultDescriptor;
      }
docs: Creates a {@link ResultDescriptor} for a {@link AnalyzerResult} class
  
  @param resultClass
  @return