public function configure(array $configuration = null)
    {
        parent::configure($configuration);

        $this->fixTokenMap = [];

        foreach ($this->configuration['statements'] as $key) {
            $this->fixTokenMap[$key] = self::$tokenMap[$key];
        }
    }
public function configure(array $configuration = null)
    {
        parent::configure($configuration);

        $this->fixTokenMap = [];

        foreach ($this->configuration['statements'] as $key) {
            $this->fixTokenMap[$key] = self::$tokenMap[$key];
        }
    }
{@inheritdoc}