docs: public static GroupAnalyzer createGroupAnalyzer(AreaImpl root)
      {
          //return new org.fit.segm.grouping.op.GroupAnalyzerByGrouping(root);
          //return new org.fit.segm.grouping.op.GroupAnalyzerBySeparators(root);
          //return new org.fit.segm.grouping.op.GroupAnalyzerByGroupingAndSeparators(root);
          //return new org.fit.segm.grouping.op.GroupAnalyzerByFlooding(root);
          return new org.fit.segm.grouping.op.GroupAnalyzerByStyles(root, 1, false);
      }