code: public function assignNamespace(string $namespace, $prepend = false) {
  		if ($prepend) {
  			array_unshift($this->namespaces, $namespace);
  			return;
  		}
  		
  		array_push($this->namespaces, $namespace);
  	}
docs: Use this method to add namespaces where textblock keys will be searched.
  
  @param string $namespace
  @param bool $prepend