How to use writeLabelsWithWriter method of script class

...244		return $this;245	}246	public function writeLabels(array $labels, $level = 1)247	{248		static::writeLabelsWithWriter($labels, $level, $this->helpWriter);249		return $this;250	}251	public function clearMessage()252	{253		$this->outputWriter->clear();254		return $this;255	}256	public function writeMessage($message)257	{258		$this->outputWriter259			->removeDecorators()260			->write($message)261		;262		return $this;263	}264	public function writeInfo($info)265	{266		$this->infoWriter->write($info);267		return $this;268	}269	public function writeHelp($message)270	{271		$this->helpWriter->write($message);272		return $this;273	}274	public function writeWarning($warning)275	{276		$this->warningWriter->write($warning);277		return $this;278	}279	public function writeError($message)280	{281		$this->errorWriter->write($message);282		return $this;283	}284	public function verbose($message, $verbosityLevel = 1)285	{286		if ($verbosityLevel > 0 && $this->verbosityLevel >= $verbosityLevel)287		{288			$this->writeInfo($message);289		}290		return $this;291	}292	public function increaseVerbosityLevel()293	{294		$this->verbosityLevel++;295		return $this;296	}297	public function decreaseVerbosityLevel()298	{299		if ($this->verbosityLevel > 0)300		{301			$this->verbosityLevel--;302		}303		return $this;304	}305	public function getVerbosityLevel()306	{307		return $this->verbosityLevel;308	}309	public function resetVerbosityLevel()310	{311		$this->verbosityLevel = 0;312		return $this;313	}314	protected function setArgumentHandlers()315	{316		$this->argumentsParser->resetHandlers();317		$this->help = array();318		return $this;319	}320	protected function canRun()321	{322		return ($this->doRun === true);323	}324	protected function stopRun()325	{326		$this->doRun = false;327		return $this;328	}329	protected function writeHelpUsage()330	{331		if ($this->help)332		{333			$this->writeHelp($this->locale->_('Usage: %s [options]', $this->getName()));334		}335		return $this;336	}337	protected function writeHelpOptions()338	{339		if ($this->help)340		{341			$arguments = array();342			foreach ($this->help as $help)343			{344				if ($help[1] !== null)345				{346					foreach ($help[0] as & $argument)347					{348						$argument .= ' ' . $help[1];349					}350				}351				$arguments[join(', ', $help[0])] = $help[2];352			}353			$this->writeHelp($this->locale->_('Available options are:'));354			static::writeLabelsWithWriter($arguments, 1, $this->helpWriter);355		}356		return $this;357	}358	protected function parseArguments(array $arguments)359	{360		$this->argumentsParser->parse($this, $arguments);361		return $this;362	}363	protected function doRun()364	{365		return $this;366	}367	protected static function writeLabelWithWriter($label, $value, $level, writer $writer)368	{369		return $writer->write(($level <= 0 ? '' : str_repeat(self::padding, $level)) . (preg_match('/^ +$/', $label) ? $label : rtrim($label)) . ': ' . trim($value));370	}371	protected static function writeLabelsWithWriter($labels, $level, writer $writer)372	{373		$maxLength = 0;374		foreach (array_keys($labels) as $label)375		{376			$length = strlen($label);377			if ($length > $maxLength)378			{379				$maxLength = $length;380			}381		}382		foreach ($labels as $label => $value)383		{384			$value = explode("\n", trim($value));385			static::writeLabelWithWriter(str_pad($label, $maxLength, ' ', STR_PAD_LEFT), $value[0], $level, $writer);...