protected function createConfigurationDefinition()
    {
        $options = parent::createConfigurationDefinition()->getOptions();

        $operator = new FixerOptionBuilder('operator', 'The operator to use.');
        $options[] = $operator
            ->setAllowedValues(['=', ':'])
            ->setDefault('=')
            ->getOption()
        ;

        return new FixerConfigurationResolver($options);
    }
protected function createConfigurationDefinition()
    {
        $options = parent::createConfigurationDefinition()->getOptions();

        $operator = new FixerOptionBuilder('operator', 'The operator to use.');
        $options[] = $operator
            ->setAllowedValues(['=', ':'])
            ->setDefault('=')
            ->getOption()
        ;

        return new FixerConfigurationResolver($options);
    }
{@inheritdoc}