KtCallExpression(60,66): 'foo(s)'
  KaCallResolutionSuccess:
    call = KaSimpleFunctionCall:
      contextArgumentMapping = {}
      contextArguments = []
      dispatchReceiver = null
      extensionReceiver = null
      signature = KaFunctionSignature:
        receiverType = null
        returnType = kotlin.Unit
        symbol = /foo(s: kotlin.String): kotlin.Unit
        valueParameters = [
          KaVariableSignature:
            name = s
            receiverType = null
            returnType = kotlin.String
            symbol = s: kotlin.String
            contextParameters = []
            callableId = null
        ]
        contextParameters = []
        callableId = /foo
      typeArgumentsMapping = {}
      valueArgumentMapping = {
        s -> (KaVariableSignature:
          name = s
          receiverType = null
          returnType = kotlin.String
          symbol = s: kotlin.String
          contextParameters = []
          callableId = null)
      }