@Override
  public synchronized void updateContent() {
    if (myIsShallowAnalysis) {
      super.updateContent();
      return;
    }
    clearContents();
    getContext().getRefManager().iterate(new RefJavaVisitor() {
      @Override public void visitElement(@NotNull RefEntity refEntity) {
        refEntity = refineElement(refEntity);
        if (refEntity == null) return;
        registerContentEntry(refEntity, RefJavaUtil.getInstance().getPackageName(refEntity));
      }
    });
    updateProblemElements();
  }
@Override
  public synchronized void updateContent()