@ DocumentNode (location: (1:0)-(1:22))
└── children: (4 items)
    ├── @ HTMLElementNode (location: (1:0)-(1:4))
    │   ├── open_tag:
    │   │   └── @ HTMLOpenTagNode (location: (1:0)-(1:4))
    │   │       ├── tag_opening: "<" (location: (1:0)-(1:1))
    │   │       ├── tag_name: "br" (location: (1:1)-(1:3))
    │   │       ├── tag_closing: ">" (location: (1:3)-(1:4))
    │   │       ├── children: []
    │   │       └── is_void: false
    │   │
    │   ├── tag_name: "br" (location: (1:1)-(1:3))
    │   ├── body: []
    │   ├── close_tag: ∅
    │   └── is_void: true
    │
    ├── @ HTMLElementNode (location: (1:4)-(1:11))
    │   ├── open_tag:
    │   │   └── @ HTMLOpenTagNode (location: (1:4)-(1:11))
    │   │       ├── tag_opening: "<" (location: (1:4)-(1:5))
    │   │       ├── tag_name: "input" (location: (1:5)-(1:10))
    │   │       ├── tag_closing: ">" (location: (1:10)-(1:11))
    │   │       ├── children: []
    │   │       └── is_void: false
    │   │
    │   ├── tag_name: "input" (location: (1:5)-(1:10))
    │   ├── body: []
    │   ├── close_tag: ∅
    │   └── is_void: true
    │
    ├── @ HTMLElementNode (location: (1:11)-(1:15))
    │   ├── open_tag:
    │   │   └── @ HTMLOpenTagNode (location: (1:11)-(1:15))
    │   │       ├── tag_opening: "<" (location: (1:11)-(1:12))
    │   │       ├── tag_name: "br" (location: (1:12)-(1:14))
    │   │       ├── tag_closing: ">" (location: (1:14)-(1:15))
    │   │       ├── children: []
    │   │       └── is_void: false
    │   │
    │   ├── tag_name: "br" (location: (1:12)-(1:14))
    │   ├── body: []
    │   ├── close_tag: ∅
    │   └── is_void: true
    │
    └── @ HTMLElementNode (location: (1:15)-(1:22))
        ├── open_tag:
        │   └── @ HTMLOpenTagNode (location: (1:15)-(1:22))
        │       ├── tag_opening: "<" (location: (1:15)-(1:16))
        │       ├── tag_name: "input" (location: (1:16)-(1:21))
        │       ├── tag_closing: ">" (location: (1:21)-(1:22))
        │       ├── children: []
        │       └── is_void: false
        │
        ├── tag_name: "input" (location: (1:16)-(1:21))
        ├── body: []
        ├── close_tag: ∅
        └── is_void: true