How to use the @nivo/bullet.BulletDefaultProps.titlePosition function in @nivo/bullet

]

export default class Bullet extends Component {
    state = {
        data: generateData(),
        settings: {
            margin: {
                top: 50,
                right: 90,
                bottom: 50,
                left: 90,
            },
            layout: BulletDefaultProps.layout,
            reverse: BulletDefaultProps.reverse,
            spacing: 46,
            titlePosition: BulletDefaultProps.titlePosition,
            titleAlign: 'start',
            titleOffsetX: -70,
            titleOffsetY: BulletDefaultProps.titleOffsetY,
            titleRotation: BulletDefaultProps.titleRotation,
            measureSize: 0.2,
            markerSize: 0.6,
            axisPosition: BulletDefaultProps.axisPosition,
            rangeColors: BulletDefaultProps.rangeColors,
            measureColors: BulletDefaultProps.measureColors,
            markerColors: BulletDefaultProps.markerColors,
            animate: true,
            motionStiffness: 90,
            motionDamping: 12,
            theme: nivoTheme,
        },
    }

defaultValue: defaults.axisPosition,
        controlType: 'radio',
        group: 'Axes',
        controlOptions: {
            choices: [
                { label: 'before', value: 'before' },
                { label: 'after', value: 'after' },
            ],
        },
    },
    {
        key: 'titlePosition',
        help: `Where to put title.`,
        type: 'string',
        required: false,
        defaultValue: defaults.titlePosition,
        controlType: 'radio',
        group: 'Title',
        controlOptions: {
            choices: [
                { label: 'before', value: 'before' },
                { label: 'after', value: 'after' },
            ],
        },
    },
    {
        key: 'titleAlign',
        help: `title alignment.`,
        type: 'string',
        required: false,
        defaultValue: defaults.titleAlign,
        controlType: 'choices',

generateBulletData('volume', shuffle([40, 60, 80])[0], { rangeCount: 8 }),
    generateBulletData('cost', 500000, { measureCount: 2 }),
    generateBulletData('revenue', shuffle([9, 11, 13])[0], { markerCount: 2 }),
]

const initialProperties = {
    margin: {
        top: 50,
        right: 90,
        bottom: 50,
        left: 90,
    },
    layout: BulletDefaultProps.layout,
    reverse: BulletDefaultProps.reverse,
    spacing: 46,
    titlePosition: BulletDefaultProps.titlePosition,
    titleAlign: 'start',
    titleOffsetX: -70,
    titleOffsetY: BulletDefaultProps.titleOffsetY,
    titleRotation: BulletDefaultProps.titleRotation,
    measureSize: 0.2,
    markerSize: 0.6,
    axisPosition: BulletDefaultProps.axisPosition,
    rangeColors: BulletDefaultProps.rangeColors,
    measureColors: BulletDefaultProps.measureColors,
    markerColors: BulletDefaultProps.markerColors,
    animate: true,
    motionStiffness: 90,
    motionDamping: 12,
}

const Bullet = () => {