{
  "version": 8,
  "metadata": {
    "test": {
      "height": 64,
      "width": 64
    }
  },
  "center": [
    90,
    45
  ],
  "zoom": 1,
  "sources": {
    "geojson": {
      "type": "geojson",
      "data": {
        "type": "Feature",
        "properties": {},
        "geometry": {
          "type": "Point",
          "coordinates": [90, 45]
        }
      }
    }
  },
  "glyphs": "local://glyphs/{fontstack}/{range}.pbf",
  "layers": [
    {
      "id": "background",
      "type": "background",
      "paint": {
        "background-color": "white"
      }
    },
    {
      "id": "symbol",
      "type": "symbol",
      "source": "geojson",
      "layout": {
        "text-field": "Test",
        "text-font": [
          "step", ["zoom"],
          [ "literal", [ "Open Sans Semibold", "Arial Unicode MS Bold" ]],
          1,
          ["literal", [ "Open Sans Semibold", "Arial Unicode MS Bold" ]]
        ]
      },
      "paint": {
        "text-opacity": 1
      }
    }
  ]
}