idea/testData/codeInsight/overrideImplement/traitNullableFunction.kt - third_party/github/JetBrains/kotlin - Git at Google

 // FIR_IDENTICAL
 interface Some {
     fun foo(some : Int?) : Int
 }

 class SomeOther : Some {
     <caret>
 }
	// FIR_IDENTICAL
	interface Some {
	fun foo(some : Int?) : Int
	}

	class SomeOther : Some {
	<caret>
	}