tools/json_schema_compiler/test/callbacks.json

[
  {
    "namespace": "callbacks",
    "description": "The callbacks API.",
    "types": [
      {
        "id": "Enumeration",
        "type": "string",
        "enum": ["foo", "bar", "baz"]
      }
    ],
    "functions": [
      {
        "name": "returnsNothing",
        "type": "function",
        "description": "Takes nothing. Returns nothing.",
        "parameters": [
          {
            "name": "callback",
            "type": "function",
            "parameters": []
          }
        ]
      },
      {
        "name": "returnsObject",
        "description": "Returns an object.",
        "type": "function",
        "parameters": [
          {
            "name": "callback",
            "type": "function",
            "parameters": [
              {
                "name": "someObject",
                "type": "object",
                "properties": {
                  "state": {
                    "$ref": "Enumeration"
                  }
                }
              }
            ]
          }
        ]
      },
      {
        "name": "returnsMultiple",
        "description": "Returns an object.",
        "type": "function",
        "parameters": [
          {
            "name": "callback",
            "type": "function",
            "parameters": [
              {
                "name": "someInteger",
                "type": "integer"
              },
              {
                "name": "someObject",
                "type": "object",
                "properties": {
                  "state": {
                    "$ref": "Enumeration"
                  }
                }
              }
            ]
          }
        ]
      }
    ]
  }
]