openfed-8.x-8.5/modules/openfed_features/partial_date/partial_date.links.menu.yml

entity.partial_date_format.collection:
    route_name: entity.partial_date_format.collection
    title: 'Partial date formats'
    description: 'Configure how partial dates are displayed.'
    parent: system.admin_config_regional
    weight: -5