class LinkField

class LinkField extends D6LinkField {
    
    /**
     * {@inheritdoc}
     */
    public function getFieldFormatterMap() {
        return [
            'link_default' => 'link',
            'link_title_plain' => 'link',
            'link_host' => 'link',
            'link_url' => 'link',
            'link_plain' => 'link',
            'link_absolute' => 'link',
            'link_domain' => 'link',
            'link_no_protocol' => 'link',
            'link_short' => 'link',
            'link_label' => 'link',
            'link_separate' => 'link_separate',
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFieldWidgetMap() {
        // By default, use the plugin ID for the widget types.
        return [
            'link_field' => 'link_default',
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function alterFieldInstanceMigration(MigrationInterface $migration) {
        $process = [
            'plugin' => 'static_map',
            'source' => 'settings/title',
            'bypass' => TRUE,
            'map' => [
                'disabled' => DRUPAL_DISABLED,
                'optional' => DRUPAL_OPTIONAL,
                'required' => DRUPAL_REQUIRED,
            ],
        ];
        $migration->mergeProcessOfProperty('settings/title', $process);
    }

}