{{ groupExpanded[currentGroup] && I18n.t('js.label_collapse') || I18n.t('js.label_expand') }}
{{ I18n.t('js.label_collapse') }}
{{ row.object | columnContent:groupBy || '-' }}
{{ countByGroup[(row.object | columnContent:groupBy)] }}
{{ groupExpanded[currentGroup] && I18n.t('js.label_collapse_all') || I18n.t('js.label_expand_all') }}
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