@ DocumentNode (location: (1:0)-(1:23))
└── children: (3 items)
    ├── @ HTMLTextNode (location: (1:0)-(1:5))
    │   └── content: "Hello"
    │
    ├── @ HTMLElementNode (location: (1:5)-(1:18))
    │   ├── open_tag:
    │   │   └── @ HTMLOpenTagNode (location: (1:5)-(1:11))
    │   │       ├── tag_opening: "<" (location: (1:5)-(1:6))
    │   │       ├── tag_name: "span" (location: (1:6)-(1:10))
    │   │       ├── tag_closing: ">" (location: (1:10)-(1:11))
    │   │       ├── children: []
    │   │       └── is_void: false
    │   │
    │   ├── tag_name: "span" (location: (1:6)-(1:10))
    │   ├── body: []
    │   ├── close_tag:
    │   │   └── @ HTMLCloseTagNode (location: (1:11)-(1:18))
    │   │       ├── tag_opening: "</" (location: (1:11)-(1:13))
    │   │       ├── tag_name: "span" (location: (1:13)-(1:17))
    │   │       └── tag_closing: ">" (location: (1:17)-(1:18))
    │   │
    │   └── is_void: false
    │
    └── @ HTMLTextNode (location: (1:18)-(1:23))
        └── content: "World"