KtErrorCallInfo:
  candidateCalls = [
    KtSimpleFunctionCall:
      isImplicitInvoke = false
      partiallyAppliedSymbol = KtPartiallyAppliedSymbol:
        dispatchReceiver = null
        extensionReceiver = null
        signature = KtFunctionLikeSignature:
          receiverType = null
          returnType = kotlin.Unit
          symbol = /foo(): kotlin.Unit
          valueParameters = []
          callableIdIfNonLocal = /foo
      typeArgumentsMapping = {}
      argumentMapping = {}
  ]
  diagnostic = ERROR<TOO_MANY_ARGUMENTS: Too many arguments for public final fun /foo(): R|kotlin/Unit|>