@RequiresEdt
  private void runAfterExternalOperation() {
    myMergeContext.putUserData(EXTERNAL_OPERATION_IN_PROGRESS, null);
    enableResolveActions(true);
    getEditor().setViewer(false);

    for (TextMergeChange change : getAllChanges()) {
      change.reinstallHighlighters();
    }
  }
@RequiresEdt
  private void runAfterExternalOperation()