field.widget.settings.term_reference_tree:
  type: mapping
  label: 'Term reference tree widget settings'
  mapping:
    start_minimized:
      type: boolean
      label: 'Start minimized'
    leaves_only:
      type: boolean
      label: 'Leaves only'
    select_parents:
      type: boolean
      label: 'Select parents automatically'
    cascading_selection:
      type: integer
      label: 'Cascading selection'
    track_list:
      type: boolean
      label: 'Track list'
    max_depth:
      type: integer
      label: 'Maximum Depth'