@Override
		public Object get( Object key, Locale l ) {
			Object value = getFromUIDefaultsGetters( key );
			if( value != null )
				return (value != NULL_VALUE) ? value : null;

			value = super.get( key, l );
			if( value != null )
				return value;

			// get file chooser texts from Metal
			return (key instanceof String && ((String)key).startsWith( "FileChooser." ))
				? getFromMetal( (String) key, l )
				: null;
		}
Sets the preferred font family to be used for monospaced fonts.
<p>
<strong>Note</strong>: This must be invoked <strong>before</strong> setting
the application look and feel.

@since 3
flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java