content: {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "properties": {
      "external_files": {
        "description": "Where to output the external files for the snapshot",
        "type": "string"
      },
      "load": {
        "description": "Load markdown and text files",
        "items": {
          "type": "string"
        },
        "type": "array"
      },
      "snapshot": {
        "description": "Output a snapshot at the end of the build",
        "type": "string"
      }
    },
    "type": "object"
  }