ClassDiscovery::instantiateClass( string|Closure $class ): object

186    protected static function instantiateClass($class)187    {188        try {189            if (is_string($class)) {190                return new $class();191            }192            if (is_callable($class)) {193                return $class();194            }195        } catch (\Exception $e) {196            throw new ClassInstantiationFailedException('Unexpected exception when instantiating class.', 0, $e);197        }198        throw new ClassInstantiationFailedException('Could not instantiate class because parameter is neither a callable nor a string');199    }