public static void fastInit(@NotNull IdeFrameImpl frame) {
    if (isVersion2()) {
      MacWinTabsHandlerV2._fastInit(frame);
      return;
    }
    if (JdkEx.setTabbingMode(frame, getWindowId(), () -> updateTabBars(null))) {
      Foundation.invoke("NSWindow", "setAllowsAutomaticWindowTabbing:", true);
    }
  }
public static void fastInit(@NotNull IdeFrameImpl frame)