{
  "$id": "document.schema.json",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "document",
  "type": "object",
  "required": [ "configurations" ],
  "properties": {
    "configurations": {
      "type": "array",
      "description": "Configurations list",
      "items": {
        "oneOf": [
          { "$ref": "block.schema.json" }
        ]
      }
    }
  }
}