{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "TextFormatRun",
  "type": "object",
  "description": "A run of a text format.",
  "properties": {
    "startIndex": {
      "type": "integer",
      "description": "The character index where this run starts (zero-based)."
    }
  }
}