public boolean isHideTabAreaWithOneTab() {
		return getClientPropertyBoolean( TABBED_PANE_HIDE_TAB_AREA_WITH_ONE_TAB, false );
	}
Returns whether the tab area should be hidden if it contains only one tab.
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatTabbedPane.java