{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "allOf": [
    {
      "$ref": "plugin.json"
    },
    {
      "properties": {
        "marl:minPolarityValue": {
          "type": "number"
        },
        "marl:maxPolarityValue": {
          "type": "number"
        }
      }
    }
  ]
}
