{
  "docs": {
    "Getting started": ["intro", "install", "example", "best_practices"],
    "Beyond the basics": [
      "routing",
      "errors",
      "proto_and_json",
      "hooks",
      "mux",
      "headers",
      "command_line",
      "curl",
      "migrate_to_twirp",
      "version_matrix"
    ],
    "Formal specification": ["spec_v5", "spec_v6", "spec_v7"]
  }
}