@Override
  public @NotNull Element getState() {
    Element state = new Element("previewData");
    for (String key : myPreviewMap.keySet()) {
      String value = myPreviewMap.get(key);
      if (value != null) {
        Element previewRec = new Element(PREVIEW_RECORD_TAG);
        previewRec.setAttribute(EDITORCONFIG_FILE_ATTR, key);
        previewRec.setAttribute(PREVIEW_FILE_ATTR, value);
        state.addContent(previewRec);
      }
    }
    return state;
  }
@Override
  public @NotNull Element getState()