{
  "type"      : "object",
  "properties": {
    "publicKeys": {
      "type"       : "array",
      "uniqueItems": true
    },
    "storage": {
      "type"      : "object",
      "required"  : ["get", "set", "remove", "clear"],
      "properties": {
        "get"   : { "typeof": "function" },
        "set"   : { "typeof": "function" },
        "remove": { "typeof": "function" },
        "clear" : { "typeof": "function" }
      },
      "additionalProperties": true
    },
    "plugins": {
      "type"       : "array",
      "uniqueItems": true
    }
  },
  "additionalProperties": false
}