KT element: KtPrefixExpression
FIR element: FirFunctionCallImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
Int(1).R|kotlin/Int.unaryPlus|()

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] unaryPlusIntLiteral.kt
    public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|kotlin/Unit| {
        Int(1)
    }
