KtSuccessCallInfo:
  call = KtSimpleFunctionCall:
    isImplicitInvoke = true
    partiallyAppliedSymbol = KtPartiallyAppliedSymbol:
      dispatchReceiver = KtExplicitReceiverValue:
        expression = x
        isSafeNavigation = false
      extensionReceiver = null
      signature = KtFunctionLikeSignature:
        receiverType = null
        returnType = kotlin.String
        symbol = kotlin/Function1.invoke(<dispatch receiver>: kotlin.Function1<kotlin.Int, kotlin.String>, p1: kotlin.Int): kotlin.String
        valueParameters = [
          KtVariableLikeSignature:
            receiverType = null
            returnType = kotlin.Int
            symbol = p1: kotlin.Int
        ]
    argumentMapping = {
      1 -> (KtVariableLikeSignature:
        receiverType = null
        returnType = kotlin.Int
        symbol = p1: kotlin.Int)
    }