KT element: KtTypeReference
FIR element: FirResolvedTypeRefImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
R|kotlin/Int?|

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] nullableType.kt
    public final [ResolvedTo(ANNOTATIONS_ARGUMENTS_MAPPING)] fun x(): R|kotlin/Int?| {
        ^x IntegerLiteral(1)
    }
