visible_relation: id: 1 changeset_id: 1 timestamp: 2007-01-01 00:00:00 visible: true version: 1 invisible_relation: id: 2 changeset_id: 1 timestamp: 2007-01-01 00:00:00 visible: false version: 1 used_relation: id: 3 changeset_id: 1 timestamp: 2007-01-01 00:00:00 visible: true version: 1