class MarkdownDescriptor extends

string getFirstArgument() Returns the first argument from the raw parameters (not parsed).

class ConsoleEvents Contains all events dispatched by an Application.

class JsonDescriptor extends

string getName() Returns the canonical name of this helper.

describe(OutputInterface $output

Command register(string $name)

static TableStyle getStyleDefinition(string

class DialogHelper extends

setArgument(string $name, string $value) Sets an argument value by name.