// This is a relaxed JSON format, you can have comments in it.
// This is a list of configuration for the job that does not specify a configuration.
[
    {
        "configurations": [
            {
                "variation": "",
                "configurations": [
                    {"node": "linux-x86_64"},
                    {"node": "ubuntu_16.04-x86_64"},
                    {"node": "darwin-x86_64"}
                ]
            }
        ]
    }
]