KT element: KtNamedFunction
KT element text:
public fun foo(s: kotlin.String?): kotlin.Unit { /* compiled code */ }
FIR element: FirNamedFunctionImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
public final [ResolvedTo(BODY_RESOLVE)] fun foo([ResolvedTo(BODY_RESOLVE)] s: R|kotlin/String?|): R|kotlin/Unit|
