open class A(x: Int) { fun println(x: String) {} fun println() {} fun println(x: Boolean) {} fun d(x: Int) { println() } } /* Text: (x: Boolean), Disabled: false, Strikeout: false, Green: false Text: (x: String), Disabled: false, Strikeout: false, Green: false Text: (), Disabled: true, Strikeout: false, Green: true */