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

FIR element rendered:
String(str).<Unresolved name: unaryMinus (-)>#()

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] unaryMinusStringLiteral.kt
    public final [ResolvedTo(BODY_RESOLVE)] fun test(): R|kotlin/Unit| {
        String(str).<Unresolved name: unaryMinus (-)>#()
    }
