{
  "lexicon": 1,
  "id": "com.atproto.sync.getHead",
  "defs": {
    "main": {
      "type": "query",
      "description": "DEPRECATED - please use com.atproto.sync.getLatestCommit instead",
      "parameters": {
        "type": "params",
        "required": ["did"],
        "properties": {
          "did": {
            "type": "string",
            "format": "did",
            "description": "The DID of the repo."
          }
        }
      },
      "output": {
        "encoding": "application/json",
        "schema": {
          "type": "object",
          "required": ["root"],
          "properties": {
            "root": { "type": "string", "format": "cid" }
          }
        }
      },
      "errors": [{ "name": "HeadNotFound" }]
    }
  }
}