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

        $this->callback = 'none' === $this->configuration['space'] ? 'removeWhitespaceAroundToken' : 'ensureWhitespaceAroundToken';
    }
public function configure(array $configuration = null)
    {
        parent::configure($configuration);

        $this->callback = 'none' === $this->configuration['space'] ? 'removeWhitespaceAroundToken' : 'ensureWhitespaceAroundToken';
    }
public function configure ( array $ configuration = null ) { parent :: configure ( $ configuration ) ; $ this -> callback = 'none' === $ this -> configuration [ 'space' ] ? 'removeWhitespaceAroundToken' : 'ensureWhitespaceAroundToken' ; }
{@inheritdoc}
{