document:
  nodes:
    - object: block
      type: paragraph
      nodes:
        - object: text
          leaves:
            - text: 'This is a link '
        - object: inline
          type: link
          data:
            href: 'mailto:samy@gitbook.com'
          nodes:
            - object: text
              leaves:
                - text: samy@gitbook.com
        - object: text
          leaves:
            - text: ''