code: public function init()
  	{
  		if (!isset($this->basePath))
  			$this->basePath = Yii::getPathOfAlias('webroot');
  
  		if ($this->compression !== false
  				&& !in_array($this->compression, array(self::COMPRESSION_WHITESPACE, self::COMPRESSION_YUI)))
  			throw new CException('Failed to initialize LESS compiler. Property compression must be either "whitespace" or "yui".');
  
  		if ($this->optimizationLevel !== false && !in_array($this->optimizationLevel, array(0, 1, 2)))
  			throw new CException('Failed to initialize LESS compiler. Property optimizationLevel must be 0, 1 or 2.');
  		
  		parent::init();
  	}
docs: Initializes the component.
  @throws CException if initialization fails.