public TabRotation getTabRotation() {
		return getClientPropertyEnumString( TABBED_PANE_TAB_ROTATION, TabRotation.class,
			"TabbedPane.tabRotation", TabRotation.none );
	}
Returns how the tabs should be rotated.

@since 3.3
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatTabbedPane.java