KtNameReferenceExpression(63,64): 'i'
  KaCallResolutionError:
    candidateCalls = [
      KaSimpleVariableAccessCall:
        contextArguments = []
        dispatchReceiver = KaExplicitReceiverValue:
          expression = a
          isSafeNavigation = false
          type = A
        extensionReceiver = null
        isContextSensitive = false
        kind = Read
        signature = KaVariableSignature:
          name = i
          receiverType = null
          returnType = kotlin.Int
          symbol = val i: kotlin.Int
          contextParameters = []
          callableId = /A.i
        typeArgumentsMapping = {}
    ]
    diagnostic = ERROR<INVISIBLE_REFERENCE: Cannot access 'val i: Int': it is private in 'A'.>
