attachmentPositions example

    $options['displays'] = [
      'category' => 'attachment',
      'title' => $this->t('Attach to'),
      'value' => $attach_to,
    ];

    $options['attachment_position'] = [
      'category' => 'attachment',
      'title' => $this->t('Attachment position'),
      'value' => $this->attachmentPositions($this->getOption('attachment_position')),
    ];

    $options['inherit_arguments'] = [
      'category' => 'attachment',
      'title' => $this->t('Inherit contextual filters'),
      'value' => $this->getOption('inherit_arguments') ? $this->t('Yes') : $this->t('No'),
    ];

    $options['inherit_exposed_filters'] = [
      'category' => 'attachment',
      'title' => $this->t('Inherit exposed filters'),