return {
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  luaversion = "5.1",
  orientation = "isometric",
  width = 30,
  height = 30,
  tilewidth = 64,
  tileheight = 32,
  properties = {},
  tilesets = {
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      firstgid = 1,
      tilewidth = 64,
      tileheight = 115,
      spacing = 2,
      margin = 2,
      image = "iso-test.png",
      imagewidth = 512,
      imageheight = 256,
      properties = {},
      tiles = {}
    }
  },
  layers = {
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      y = 0,
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      height = 30,
      visible = true,
      opacity = 1,
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      encoding = "lua",
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    {
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      visible = true,
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}
