@Override
      public int getEdgePosition(List<? extends IElementType> tokens, boolean atStreamEdge, TokenTextGetter getter) {
        int i = tokens.size() - 1;
        while (i >= 0 && !commentTypes.contains(tokens.get(i))) {
          i--;
        }
        return i + 1;
      }
@Override
      public int getEdgePosition(List<? extends IElementType> tokens, boolean atStreamEdge, TokenTextGetter getter)