KT element: KtNamedFunction
FIR element: FirSimpleFunctionImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|kotlin/String| {
    ^test R|/ClassWithExternalAnnotatedMembers.ClassWithExternalAnnotatedMembers|().R|/ClassWithExternalAnnotatedMembers.notNullMethod|()
}

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] usage.kt
    public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|kotlin/String| {
        ^test R|/ClassWithExternalAnnotatedMembers.ClassWithExternalAnnotatedMembers|().R|/ClassWithExternalAnnotatedMembers.notNullMethod|()
    }