# confint works within function call

    {
      "type": "double",
      "attributes": {
        "dim": {
          "type": "integer",
          "attributes": {},
          "value": [2, 2]
        },
        "dimnames": {
          "type": "list",
          "attributes": {},
          "value": [
            {
              "type": "character",
              "attributes": {},
              "value": ["(Intercept)", "vote2"]
            },
            {
              "type": "character",
              "attributes": {},
              "value": ["2.5 %", "97.5 %"]
            }
          ]
        }
      },
      "value": [3.78231676, -0.00752684, 3.84179311, 0.07587694]
    }