static synchronized void registerAndShow(@NotNull Component component, @NotNull TBPanel tb) {
    LOG.debug("registerAndShow non-action touchbar '%s' for component %s", tb, component);
    unregister(component); // cleanup for insurance
    ourComp2Actions.put(component, new ComponentActions(component, tb));
    showActionsOfComponent(component);
  }
static synchronized void registerAndShow(@NotNull Component component, @NotNull TBPanel tb)