public void init(@NotNull JBPopup popup, @NotNull GenericListComponentUpdater<T> updater, @NotNull Ref<? extends UsageView> usageView) {
    myPopup = popup;
    myUpdater = updater;
    myUsageView = usageView;
  }
public void init(@NotNull JBPopup popup, @NotNull GenericListComponentUpdater<T> updater, @NotNull Ref<? extends UsageView> usageView)