protected function createConfigurationDefinition()
    {
        $sets = ['@internal', '@IMAP', '@mbreg', '@all'];

        return new FixerConfigurationResolver([
            (new FixerOptionBuilder('sets', 'List of sets to fix. Defined sets are `@internal` (native functions), `@IMAP` (IMAP functions), `@mbreg` (from `ext-mbstring`) `@all` (all listed sets).'))
                ->setAllowedTypes(['array'])
                ->setAllowedValues([new AllowedValueSubset($sets)])
                ->setDefault(['@internal', '@IMAP'])
                ->getOption(),
        ]);
    }
protected function createConfigurationDefinition()
    {
        $sets = ['@internal', '@IMAP', '@mbreg', '@all'];

        return new FixerConfigurationResolver([
            (new FixerOptionBuilder('sets', 'List of sets to fix. Defined sets are `@internal` (native functions), `@IMAP` (IMAP functions), `@mbreg` (from `ext-mbstring`) `@all` (all listed sets).'))
                ->setAllowedTypes(['array'])
                ->setAllowedValues([new AllowedValueSubset($sets)])
                ->setDefault(['@internal', '@IMAP'])
                ->getOption(),
        ]);
    }
{@inheritdoc}