AppFlowy/frontend/rust-lib/flowy-document/tests/assets/json/code.json

{
  "type": "page",
  "children": [{
    "type": "code",
    "data": {
      "language": "rust",
      "delta": [
        {
          "insert": "// This is the main function.\nfn main() {\n    // Print text to the console.\n    println!(\"Hello World!\");\n}"
        }
      ]
    }
  }]
}