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

description: `
            Defines CSS \`mix-blend-mode\` property for links, see
            [MDN documentation](https://developer.mozilla.org/fr/docs/Web/CSS/mix-blend-mode).
        `,
        type: 'string',
        required: false,
        defaultValue: defaults.linkBlendMode,
        controlType: 'blendMode',
        group: 'Links',
    },
    {
        key: 'enableLinkGradient',
        help: 'Enable/disable gradient from source/target nodes instead of plain color.',
        type: 'boolean',
        required: false,
        defaultValue: defaults.enableLinkGradient,
        controlType: 'switch',
        group: 'Links',
    },
    {
        key: 'enableLabels',
        help: 'Enable/disable labels.',
        type: 'boolean',
        required: false,
        defaultValue: defaults.enableLabels,
        controlType: 'switch',
        group: 'Labels',
    },
    {
        key: 'labelPosition',
        help: 'Label position.',
        type: 'string',