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

class ProcessHelper extends Helper

string getVerticalBorderChar() Gets vertical border character.

class QuestionHelper extends Helper

Table setColumnWidth(int $columnIndex, int $width)

bool askConfirmation(OutputInterface

class ProgressIndicator Methods

setBarCharacter(string $char) Sets the bar character.

string progress(string $id, string $buffer, bool $error = false, string $prefix = 'OUT', string $errorPrefix = 'ERR')

start($message) Starts the indicator output.