private void readPaneState(@NotNull Element panesElement) {
    List<Element> paneElements = panesElement.getChildren(ELEMENT_PANE);
    for (Element paneElement : paneElements) {
      String paneId = paneElement.getAttributeValue(ATTRIBUTE_ID);
      if (StringUtil.isEmptyOrSpaces(paneId)) {
        continue;
      }

      AbstractProjectViewPane pane = idToPane.get(paneId);
      if (pane != null) {
        applyPaneState(pane, paneElement);
      }
      else {
        myUninitializedPaneState.put(paneId, paneElement);
      }
    }
  }
private void readPaneState(@NotNull Element panesElement)