/**
* "Extend" an abstract type in the container.
*
* (Overriding Container::extend)
*
* @param string $abstract
* @param \Closure $closure
* @return void
*
* @throws \InvalidArgumentException
*/
public function extend($abstract, Closure $closure)
{
$abstract = $this->getAlias($abstract);
if (isset($this->deferredServices[$abstract])) {
$this->loadDeferredProvider($abstract);
}
return parent::extend($abstract, $closure);
}
