mixed input(string $key, string $default = null) Get a route parameter

static array mergeGroup(array $new, array $old) Merge the given

int run(InputInterface $input, OutputInterface $output) Run the console

int callSilent(string $command, array $arguments = array()) Call another

string|array argument(string $key = null) Get the value of a command argument

static array compiles() Get a list of files that should be compiled

bool hasArgument(string|int $name) Determine if the given argument is present

void comment(string $string) Write a string as comment output.

Collection flip()

string ask(string $question, string $default = null) Prompt the user for