{
  "properties": {
    "doc": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "items": {
            "type": "string"
          },
          "type": "array"
        }
      ]
    },
    "label": {
      "type": "string",
      "x-jsonld-id": "http://www.w3.org/2000/01/rdf-schema#label"
    }
  },
  "type": "object",
  "x-jsonld-prefixes": {
    "cwl": "https://w3id.org/cwl/cwl#"
  }
}