compiler/testData/diagnostics/tests/varargs/varargInSetter.kt - third_party/github/JetBrains/kotlin - Git at Google

 class My {
     var x: String = ""
         set(<!WRONG_MODIFIER_CONTAINING_DECLARATION!>vararg<!> value) {
             x = value
         }
 }
	class My {
	var x: String = ""
	set(<!WRONG_MODIFIER_CONTAINING_DECLARATION!>vararg<!> value) {
	x = value
	}
	}