!adf:paragraph {content=empty}
!adf:/paragraph

!adf:paragraph {attrs=empty}
Plain words.
!adf:/paragraph

!adf:rule {content=empty}

!adf:heading {level=2 marks=empty}
Title
!adf:/heading

!adf:panel info {content=empty}
!adf:/panel

!adf:bulletList
!adf:listItem {attrs=empty}
Item
!adf:/listItem
!adf:listItem
Next
!adf:/listItem
!adf:/bulletList

!adf:codeBlock {content=empty}
!adf:/codeBlock

!adf:codeBlock {marks=empty}
```js
```
!adf:/codeBlock

!adf:codeBlock {content=empty language=js}
!adf:/codeBlock