KtCallExpression(76,81): 'f("")'
  KaApplicableCallCandidate:
    candidate = KaImplicitInvokeCall:
      contextArgumentMapping = {}
      contextArguments = []
      dispatchReceiver = KaExplicitReceiverValue:
        expression = f
        isSafeNavigation = false
        type = Foo
      extensionReceiver = null
      signature = KaFunctionSignature:
        receiverType = null
        returnType = kotlin.Unit
        symbol = /Foo.invoke(<dispatch receiver>: Foo, t: T): kotlin.Unit
        valueParameters = [
          KaVariableSignature:
            name = t
            receiverType = null
            returnType = kotlin.String
            symbol = t: T
            contextParameters = []
            callableId = null
        ]
        contextParameters = []
        callableId = /Foo.invoke
      typeArgumentsMapping = {
        T -> (kotlin.String)
      }
      valueArgumentMapping = {
        "" -> (KaVariableSignature:
          name = t
          receiverType = null
          returnType = kotlin.String
          symbol = t: T
          contextParameters = []
          callableId = null)
      }
    isInBestCandidates = true