int call(string $command, array $arguments = array()) Call another console
string|array option(string $key = null) Get the value of a command option
void question(string $string, null|int|string $verbosity = null) Write
bool confirm(string $question, bool $default = false) Confirm a question
string choice(string $question, array $choices, string $default = null, mixed $attempts = null, bool $multiple = null)
string secret(string $question, bool $fallback = true) Prompt the user
void warn(string $string, null|int|string $verbosity = null) Write a string
int run(InputInterface $input, OutputInterface $output) Run the console
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