4 property variant test1: Qt.lighter(Qt.rgba(1, 0.8, 0.3))
5 property variant test2: Qt.lighter()
6 property variant test3: Qt.lighter(Qt.rgba(1, 0.8, 0.3), 1.8)
7 property variant test4: Qt.lighter("red");
8 property variant test5: Qt.lighter("perfectred"); // Non-existent color
9 property variant test6: Qt.lighter(10);
10 property variant test7: Qt.lighter(Qt.rgba(1, 0.8, 0.3), 1.8, 5)