public function setQuiet($quiet)
    {
        $this->output->setQuiet($quiet);
        $this->errorOutput->setQuiet($quiet);
    }
public function setQuiet($quiet)
    {
        $this->output->setQuiet($quiet);
        $this->errorOutput->setQuiet($quiet);
    }
public function setQuiet ( $ quiet ) { $ this -> output -> setQuiet ( $ quiet ) ; $ this -> errorOutput -> setQuiet ( $ quiet ) ; }
Sets whether all output should be suppressed.

@param bool $quiet Pass `true` to suppress all output and `false`
otherwise.
Sets whether all output should be suppressed .