json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "unixFileOutput",
      "description": "A JSON representation of output from the Unix file program",
      "type": "object",
      "properties": {
          "identifier": {
              "type": "string"
          },
          "version": {
              "type": "string"
          },
          "output": {
              "type": "string"
          },
          "mimeType": {
              "type": "string"
          },
          "magicLocation": {
              "type": "string"
          }
      },
      "required": [
          "identifier",
          "version",
          "output",
          "mimeType",
          "magicLocation"
      ],
      "maxProperties": 5
  }