@ DocumentNode (location: (1:0)-(1:43))
└── children: (1 item)
    └── @ HTMLElementNode (location: (1:0)-(1:43))
        ├── open_tag:
        │   └── @ HTMLOpenTagNode (location: (1:0)-(1:5))
        │       ├── tag_opening: "<" (location: (1:0)-(1:1))
        │       ├── tag_name: "div" (location: (1:1)-(1:4))
        │       ├── tag_closing: ">" (location: (1:4)-(1:5))
        │       ├── children: []
        │       └── is_void: false
        │
        ├── tag_name: "div" (location: (1:1)-(1:4))
        ├── body: (1 item)
        │   └── @ HTMLElementNode (location: (1:5)-(1:37))
        │       ├── open_tag:
        │       │   └── @ HTMLOpenTagNode (location: (1:5)-(1:9))
        │       │       ├── tag_opening: "<" (location: (1:5)-(1:6))
        │       │       ├── tag_name: "h1" (location: (1:6)-(1:8))
        │       │       ├── tag_closing: ">" (location: (1:8)-(1:9))
        │       │       ├── children: []
        │       │       └── is_void: false
        │       │
        │       ├── tag_name: "h1" (location: (1:6)-(1:8))
        │       ├── body: (2 items)
        │       │   ├── @ HTMLTextNode (location: (1:9)-(1:14))
        │       │   │   └── content: "Hello"
        │       │   │
        │       │   └── @ HTMLElementNode (location: (1:14)-(1:32))
        │       │       ├── open_tag:
        │       │       │   └── @ HTMLOpenTagNode (location: (1:14)-(1:20))
        │       │       │       ├── tag_opening: "<" (location: (1:14)-(1:15))
        │       │       │       ├── tag_name: "span" (location: (1:15)-(1:19))
        │       │       │       ├── tag_closing: ">" (location: (1:19)-(1:20))
        │       │       │       ├── children: []
        │       │       │       └── is_void: false
        │       │       │
        │       │       ├── tag_name: "span" (location: (1:15)-(1:19))
        │       │       ├── body: (1 item)
        │       │       │   └── @ HTMLTextNode (location: (1:20)-(1:25))
        │       │       │       └── content: "World"
        │       │       │
        │       │       ├── close_tag:
        │       │       │   └── @ HTMLCloseTagNode (location: (1:25)-(1:32))
        │       │       │       ├── tag_opening: "</" (location: (1:25)-(1:27))
        │       │       │       ├── tag_name: "span" (location: (1:27)-(1:31))
        │       │       │       └── tag_closing: ">" (location: (1:31)-(1:32))
        │       │       │
        │       │       └── is_void: false
        │       │
        │       ├── close_tag:
        │       │   └── @ HTMLCloseTagNode (location: (1:32)-(1:37))
        │       │       ├── tag_opening: "</" (location: (1:32)-(1:34))
        │       │       ├── tag_name: "h1" (location: (1:34)-(1:36))
        │       │       └── tag_closing: ">" (location: (1:36)-(1:37))
        │       │
        │       └── is_void: false
        │
        ├── close_tag:
        │   └── @ HTMLCloseTagNode (location: (1:37)-(1:43))
        │       ├── tag_opening: "</" (location: (1:37)-(1:39))
        │       ├── tag_name: "div" (location: (1:39)-(1:42))
        │       └── tag_closing: ">" (location: (1:42)-(1:43))
        │
        └── is_void: false