static synchronized boolean isLoaded( int apiVersion ) {
		initialize( apiVersion );
		return (nativeLibrary != null) ? nativeLibrary.isLoaded() : false;
	}
Loads native library (if available) and returns whether loaded successfully.
Returns {@code false} if no native library is available.
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatNativeLibrary.java