presto-main/src/main/java/io/prestosql/failuredetector/FailureDetectorConfig.java/FailureDetectorConfig/setHeartbeatInterval
class FailureDetectorConfig:    @Config("failure-detector.heartbeat-interval")
    public FailureDetectorConfig setHeartbeatInterval(Duration interval)
    {
        this.heartbeatInterval = interval;
        return this;
    }