src/Fixer/FunctionNotation/FunctionDeclarationFixer.php
protected function createConfigurationDefinition()
    {
        return new FixerConfigurationResolver([
            (new FixerOptionBuilder('closure_function_spacing', 'Spacing to use before open parenthesis for closures.'))
                ->setDefault(self::SPACING_ONE)
                ->setAllowedValues($this->supportedSpacings)
                ->getOption(),
        ]);
    }
protected function createConfigurationDefinition()
    {
        return new FixerConfigurationResolver([
            (new FixerOptionBuilder('closure_function_spacing', 'Spacing to use before open parenthesis for closures.'))
                ->setDefault(self::SPACING_ONE)
                ->setAllowedValues($this->supportedSpacings)
                ->getOption(),
        ]);
    }
{@inheritdoc}