document:
  nodes:
  - kind: block
    type: ul_list
    nodes:
    - kind: block
      type: list_item
      nodes:
      - kind: block
        type: paragraph
        nodes:
        - kind: text
          text: 'First item'

    - kind: block
      type: list_item
      nodes:
      - kind: block
        type: paragraph
        nodes:
        - kind: text
          key: 'start'
          text: ''

selection:
  anchorKey: 'start'
  anchorOffset: 0
  focusKey: 'start'
  focusOffset: 0
  isFocused: true