filter_settings.filter_reference_footnotes:
  type: mapping
  label: 'Reference Footnotes filter settings'
  mapping:
    footnotes_collapse:
      type: boolean
      label: 'Collapse identical footnotes'
    footnotes_ibid:
      type: boolean
      label: 'Use Ibid.'
    notes_section_label:
      type: label
      label: 'Notes section heading label'
    reference_dont_show_backlink_text:
      type: boolean
      label: "Don't show note value text in reference list"
    works_cited_sort_by:
      type: string
      label: 'Sort works cited by'