How to use the @nivo/heatmap.HeatMapDefaultProps.cellBorderWidth function in @nivo/heatmap

default: defaults.cellOpacity,
        type: '{number}',
        controlType: 'range',
        controlGroup: 'Style',
        controlOptions: {
            min: 0,
            max: 1,
            step: 0.05,
        },
    },
    {
        key: 'cellBorderWidth',
        scopes: '*',
        description: 'Cell border width (px).',
        required: false,
        default: defaults.cellBorderWidth,
        type: '{number}',
        controlType: 'range',
        controlGroup: 'Style',
        controlOptions: {
            unit: 'px',
            min: 0,
            max: 10,
        },
    },
    {
        key: 'cellBorderColor',
        scopes: '*',
        description: (
            <span>
                how to compute cell border color,{' '}
                see dedicated documentation.</span>

group: 'Style',
    },
    {
        key: 'cellOpacity',
        help: 'Cell opacity (0~1).',
        required: false,
        defaultValue: defaults.cellOpacity,
        type: 'number',
        controlType: 'opacity',
        group: 'Style',
    },
    {
        key: 'cellBorderWidth',
        help: 'Cell border width.',
        required: false,
        defaultValue: defaults.cellBorderWidth,
        type: 'number',
        controlType: 'lineWidth',
        group: 'Style',
    },
    {
        key: 'cellBorderColor',
        help: 'Method to compute cell border color.',
        description: `
            how to compute cell border color,
            [see dedicated documentation](self:/guides/colors).
        `,
        type: 'string | object | Function',
        required: false,
        defaultValue: defaults.cellBorderColor,
        controlType: 'inheritedColor',
        group: 'Style',