docs: public void call(Result result)
      {
  
          if (result.isException())
          {
              statistics.exception();
              annotable.annotate( Annotations.exception( result.getException() ) );
          }
          else if (result.getActual() instanceof Boolean)
          {
              Boolean actual = (Boolean) result.getActual();
  
              if (actual)
              {
                  statistics.right();
                  annotable.annotate( Annotations.right() );
              }
              else
              {
                  statistics.wrong();
                  annotable.annotate( Annotations.wrong() );
              }
          }
      }