{
    type: 'line',
    data: {
        labels:   [ <string> ],
        datasets: [
            {
                label: <string>,
                data:  [ <num> ],
                borderColor: <string> ,
                backgroundColor: <string>
            },
            {
                // as same as above "{}"
            }
        ]
    },
    options: {
        responsive: <bool>,
        legend: {
            position: 'top' or 'bottom'
        },
        title: {
            display: <bool>,
            text: <string>
        },
        scales: {
            yAxes: [
                {
                    ticks: {
                        min: <num>
                    },
                    scaleLabel: {
                        display: <bool>
                        labelString: <string>
                    }
                }
            ],
            xAxes: [
             // as same as yAxes
            ],
        }
    }
}