KtCallExpression(35,39): 'x(1)'
  KaApplicableCallCandidate:
    candidate = KaImplicitInvokeCall:
      contextArgumentMapping = {}
      contextArguments = []
      dispatchReceiver = KaExplicitReceiverValue:
        expression = x
        isSafeNavigation = false
        type = (kotlin.Int) -> kotlin.String
      extensionReceiver = null
      signature = KaFunctionSignature:
        receiverType = null
        returnType = kotlin.String
        symbol = kotlin/Function1.invoke(<dispatch receiver>: (P1) -> R, p1: P1): R
        valueParameters = [
          KaVariableSignature:
            name = p1
            receiverType = null
            returnType = kotlin.Int
            symbol = p1: P1
            contextParameters = []
            callableId = null
        ]
        contextParameters = []
        callableId = kotlin/Function1.invoke
      typeArgumentsMapping = {}
      valueArgumentMapping = {
        1 -> (KaVariableSignature:
          name = p1
          receiverType = null
          returnType = kotlin.Int
          symbol = p1: P1
          contextParameters = []
          callableId = null)
      }
    isInBestCandidates = true