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setMultiselect example

try {
            $question = new ChoiceQuestion('What is your favorite superhero?', $heroes, '1');
            $question->setMaxAttempts(1);
            $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question);
            $this->fail();
        } catch (\InvalidArgumentException $e) {
            $this->assertEquals('Value "Fabien" is invalid', $e->getMessage());
        }

        $question = new ChoiceQuestion('What is your favorite superhero?', $heroes, null);
        $question->setMaxAttempts(1);
        $question->setMultiselect(true);

        $this->assertEquals(['Batman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
        $this->assertEquals(['Superman', 'Spiderman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
        $this->assertEquals(['Superman', 'Spiderman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));

        $question = new ChoiceQuestion('What is your favorite superhero?', $heroes, '0,1');
        $question->setMaxAttempts(1);
        $question->setMultiselect(true);

        $this->assertEquals(['Superman', 'Batman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question));
        $this->assertOutputContains('What is your favorite superhero? [Superman, Batman]', $output);

$io = new SymfonyStyle($input, $output instanceof ConsoleOutputInterface ? $output->getErrorOutput() : $output);

        if ($this->receiverNames && !$input->getArgument('receivers')) {
            $io->block('Which transports/receivers do you want to consume?', null, 'fg=white;bg=blue', ' ', true);

            $io->writeln('Choose which receivers you want to consume messages from in order of priority.');
            if (\count($this->receiverNames) > 1) {
                $io->writeln(sprintf('Hint: to consume from multiple, use a list of their names, e.g. <comment>%s</comment>', implode(', ', $this->receiverNames)));
            }

            $question = new ChoiceQuestion('Select receivers to consume:', $this->receiverNames, 0);
            $question->setMultiselect(true);

            $input->setArgument('receivers', $io->askQuestion($question));
        }

        if (!$input->getArgument('receivers')) {
            throw new RuntimeException('Please pass at least one receiver.');
        }
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {

return $this->askQuestion(new ConfirmationQuestion($question, $default));
    }

    public function choice(string $question, array $choices, mixed $default = null, bool $multiSelect = false): mixed
    {
        if (null !== $default) {
            $values = array_flip($choices);
            $default = $values[$default] ?? $default;
        }

        $questionChoice = new ChoiceQuestion($question, $choices, $default);
        $questionChoice->setMultiselect($multiSelect);

        return $this->askQuestion($questionChoice);
    }

    /** * @return void */
    public function progressStart(int $max = 0)
    {
        $this->progressBar = $this->createProgressBar($max);
        $this->progressBar->start();
    }

    public function testSelectUseCases($multiSelect, $answers, $expected, $message, $default = null)
    {
        $question = new ChoiceQuestion('A question', [
            'First response',
            'Second response',
            'Third response',
            'Fourth response',
            null,
        ], $default);

        $question->setMultiselect($multiSelect);

        foreach ($answers as $answer) {
            $validator = $question->getValidator();
            $actual = $validator($answer);

            $this->assertEquals($actual, $expected, $message);
        }
    }

    public static function selectUseCases()
    {

'> To use a different failure transport, pass <comment>--transport=</comment>.',
                sprintf('> Available failure transports are: <comment>%s</comment>', implode(', ', $failureTransports)),
                "\n",
            ]);
        }
    }

    protected function interactiveChooseFailureTransport(SymfonyStyle $io): string
    {
        $failedTransports = array_keys($this->failureTransports->getProvidedServices());
        $question = new ChoiceQuestion('Select failed transport:', $failedTransports, 0);
        $question->setMultiselect(false);

        return $io->askQuestion($question);
    }

    public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
    {
        if ($input->mustSuggestOptionValuesFor('transport')) {
            $suggestions->suggestValues(array_keys($this->failureTransports->getProvidedServices()));

            return;
        }