@ DocumentNode (location: (1:0)-(3:0))
└── children: (4 items)
    ├── @ HTMLElementNode (location: (1:0)-(1:16))
    │   ├── open_tag:
    │   │   └── @ HTMLOpenTagNode (location: (1:0)-(1:4))
    │   │       ├── tag_opening: "<" (location: (1:0)-(1:1))
    │   │       ├── tag_name: "h1" (location: (1:1)-(1:3))
    │   │       ├── tag_closing: ">" (location: (1:3)-(1:4))
    │   │       ├── children: []
    │   │       └── is_void: false
    │   │
    │   ├── tag_name: "h1" (location: (1:1)-(1:3))
    │   ├── body: (1 item)
    │   │   └── @ HTMLTextNode (location: (1:4)-(1:11))
    │   │       └── content: "Title 1"
    │   │
    │   ├── close_tag:
    │   │   └── @ HTMLCloseTagNode (location: (1:11)-(1:16))
    │   │       ├── tag_opening: "</" (location: (1:11)-(1:13))
    │   │       ├── tag_name: "h1" (location: (1:13)-(1:15))
    │   │       └── tag_closing: ">" (location: (1:15)-(1:16))
    │   │
    │   └── is_void: false
    │
    ├── @ HTMLTextNode (location: (1:16)-(2:0))
    │   └── content: "\n"
    │
    ├── @ HTMLElementNode (location: (2:0)-(2:16))
    │   ├── open_tag:
    │   │   └── @ HTMLOpenTagNode (location: (2:0)-(2:4))
    │   │       ├── tag_opening: "<" (location: (2:0)-(2:1))
    │   │       ├── tag_name: "h2" (location: (2:1)-(2:3))
    │   │       ├── tag_closing: ">" (location: (2:3)-(2:4))
    │   │       ├── children: []
    │   │       └── is_void: false
    │   │
    │   ├── tag_name: "h2" (location: (2:1)-(2:3))
    │   ├── body: (1 item)
    │   │   └── @ HTMLTextNode (location: (2:4)-(2:11))
    │   │       └── content: "Title 2"
    │   │
    │   ├── close_tag:
    │   │   └── @ HTMLCloseTagNode (location: (2:11)-(2:16))
    │   │       ├── tag_opening: "</" (location: (2:11)-(2:13))
    │   │       ├── tag_name: "h2" (location: (2:13)-(2:15))
    │   │       └── tag_closing: ">" (location: (2:15)-(2:16))
    │   │
    │   └── is_void: false
    │
    └── @ HTMLTextNode (location: (2:16)-(3:0))
        └── content: "\n"