@Nullable
    public Data createState(@Nullable List<? extends MergeLineFragment> fragments,
                            @NotNull List<? extends LineOffsets> lineOffsets,
                            @NotNull FoldingModelSupport.Settings settings) {
      int[] lineCount = new int[myEditors.length];
      for (int i = 0; i < myEditors.length; i++) {
        lineCount[i] = lineOffsets.get(i).getLineCount();
      }
      return createState(fragments, lineCount, settings);
    }
@Nullable
    public Data createState(@Nullable List<? extends MergeLineFragment> fragments,
                            @NotNull List<? extends LineOffsets> lineOffsets,
                            @NotNull FoldingModelSupport.Settings settings)