Kraken\Container\ServiceRegister::registerProvider PHP Method

    public function registerProvider($provider)
    {
        if ($this->getProvider($provider) !== null) {
            throw new ResourceOccupiedException("ServiceProvider " . $this->getProviderClass($provider) . " already registered.");
        }
        if (is_string($provider) && ($class = $provider) && ($provider = $this->resolveProviderClass($provider)) === null) {
            throw new InvalidArgumentException("ServiceProvider {$class} is not valid provider.");
        }
        $ex = null;
        try {
            if ($this->booted) {
                $provider->registerProvider($this->container);
            }
        } catch (Error $ex) {
        } catch (Exception $ex) {
        }
        if ($ex !== null) {
            throw new ExecutionException("ServiceProvider " . $this->getProviderClass($provider) . " failed during registration.", $ex);
        }
        $this->markProviderRegistered($provider);
    }

 /**
  * @override
  * @inheritDoc
  */
 public function registerProvider($provider)
 {
     try {
         $this->serviceRegister->registerProvider($provider);
         return;
     } catch (Error $ex) {
     } catch (Exception $ex) {
     }
     throw new ExecutionException("Provider could not be registered.", $ex);
 }