Requires:

"Gravity"
{
  "canShineCharge": {
    "usedTiles": 22,
    "openEnd": 1
  }
}
{
  "or": [
    {
      "shinespark": {
        "frames": 26,
        "excessFrames": 5
      }
    },
    {
      "and": [
        "canMidairShinespark",
        {
          "shinespark": {
            "frames": 20,
            "excessFrames": 4
          }
        }
      ]
    }
  ]
}