constructor(data) {
        if (typeof data.post_id === 'string') {
            this.post_id = ObjectID.createFromHexString(data.post_id);
        } else {
            this.post_id = data.post_id;
        }
        this.link = data.link;
        this.count = data.count;
    }
@param {object} data
@param {string|ObjectID} data.post_id
@param {import('@tryghost/link-redirects/lib/LinkRedirect')} data.link
@param {FullPostLinkCount} data.count