KT element: KtNamedFunction FIR element: FirSimpleFunctionImpl FIR source kind: KtRealSourceElementKind FIR element rendered: public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|Enhanced for warning(@EnhancedNullability kotlin/String) kotlin/String!| { ^test R|/ClassWithExternalAnnotatedMembers.ClassWithExternalAnnotatedMembers|().R|/ClassWithExternalAnnotatedMembers.externalNotNullMethod|() } FIR FILE: FILE: [ResolvedTo(IMPORTS)] usage.kt public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|Enhanced for warning(@EnhancedNullability kotlin/String) kotlin/String!| { ^test R|/ClassWithExternalAnnotatedMembers.ClassWithExternalAnnotatedMembers|().R|/ClassWithExternalAnnotatedMembers.externalNotNullMethod|() }