How to use the @nivo/sankey.SankeyDefaultProps.labelPadding function in @nivo/sankey

required: false,
        defaultValue: defaults.labelPosition,
        controlType: 'radio',
        group: 'Labels',
        controlOptions: {
            choices: ['inside', 'outside'].map(key => ({
                label: key,
                value: key,
            })),
        },
    },
    {
        key: 'labelPadding',
        help: 'Label padding from node.',
        required: false,
        defaultValue: defaults.labelPadding,
        type: 'number',
        controlType: 'range',
        group: 'Labels',
        controlOptions: {
            unit: 'px',
            min: 0,
            max: 60,
        },
    },
    {
        key: 'labelTextColor',
        help: 'Method to compute label text color.',
        description: `
            how to compute label text color,
            [see dedicated documentation](self:/guides/colors).
        `,