docs: private void recursiveLogResult(StringBuilder buf, Hierarchy<Result> hier, Result result, int depth) {
      if(result == null) {
        buf.append("null");
        LOG.warning("null result!");
        return;
      }
      if(depth > 50) {
        LOG.warning("Probably infinitely nested results, aborting!");
        return;
      }
      for(int i = 0; i < depth; i++) {
        buf.append(' ');
      }
      buf.append(result.getClass().getSimpleName()).append(": ").append(result.getLongName()) //
          .append(" (").append(result.getShortName()).append(")\n");
      if(hier.numChildren(result) > 0) {
        for(It<Result> iter = hier.iterChildren(result); iter.valid(); iter.advance()) {
          recursiveLogResult(buf, hier, iter.get(), depth + 1);
        }
      }
    }