{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "MessageContentDelta",
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "index": {
      "type": "integer",
      "description": "The index of the content array this delta object represents"
    }
  }
}