bridge_bt-policy__table.json

{
  "table": {
    "columns": {
      "supplierStartDate": {
        "attrs": {
          "type": "expand"
        }
      },
      "supplierEndDate": {
        "attrs": {
          "type": "expand"
        }
      },
      "mercStartDate": {
        "attrs": {
          "type": "expand"
        }
      },
      "mercEndDate": {
        "attrs": {
          "type": "expand"
        }
      }
    }
  }
}