public function get($name)
    {
        if ($this->has($name)) {
            return $this->sources[$name];
        }

        throw new SourceNotAvailableException(sprintf('Unknown source requested: "%s".', $name));
    }
public function get($name)
    {
        if ($this->has($name)) {
            return $this->sources[$name];
        }

        throw new SourceNotAvailableException(sprintf('Unknown source requested: "%s".', $name));
    }
{@inheritdoc}

@throws SourceNotAvailableException