src/node/test/test_service.json

{
    "package": null,
    "messages": [
        {
            "name": "Request",
            "fields": [
                {
                    "rule": "optional",
                    "type": "bool",
                    "name": "error",
                    "id": 1
                }
            ]
        },
        {
            "name": "Response",
            "fields": [
                {
                    "rule": "optional",
                    "type": "int32",
                    "name": "count",
                    "id": 1
                }
            ]
        }
    ],
    "services": [
        {
            "name": "TestService",
            "options": {},
            "rpc": {
                "Unary": {
                    "request": "Request",
                    "response": "Response",
                    "options": {}
                },
                "ClientStream": {
                    "request": "Request",
                    "response": "Response",
                    "options": {}
                },
                "ServerStream": {
                    "request": "Request",
                    "response": "Response",
                    "options": {}
                },
                "BidiStream": {
                    "request": "Request",
                    "response": "Response",
                    "options": {}
                }
            }
        }
    ]
}