mixed getArgument(string $name) Returns the argument value for a given argument name.

start($message) Starts the indicator output.

display(bool $finish = false) Outputs the current progress string.

OutputFormatterStyleInterface getEmptyStyle() Return Value OutputFormatterStyleInterface

string askHiddenResponseAndValidate(

string findNamespace(string $namespace) Finds a registered namespace by a name or an abbreviation

success(string|array $message) Formats a success result bar.

addRows(array $rows) Parameters array $rows

static setPlaceholderFormatterDefinition(string $name, callable $callable) Sets a

setCommand(Command $command = null)