get textRenderInfo() {
    return this._textRenderInfo || null
  }
@property {TroikaTextRenderInfo|null} textRenderInfo
@readonly
The current processed rendering data for this TextMesh, returned by the TextBuilder after
a `sync()` call. This will be `null` initially, and may be stale for a short period until
the asynchrous `sync()` process completes.