@ DocumentNode (location: (1:0)-(10:0))
└── children: (2 items)
    ├── @ HTMLElementNode (location: (1:0)-(9:5))
    │   ├── 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: (3 items)
    │   │   ├── @ HTMLTextNode (location: (1:4)-(2:2))
    │   │   │   └── content: "\n  "
    │   │   │
    │   │   ├── @ ERBIfNode (location: (2:2)-(8:11))
    │   │   │   ├── tag_opening: "<%" (location: (2:2)-(2:4))
    │   │   │   ├── content: " if true " (location: (2:4)-(2:13))
    │   │   │   ├── tag_closing: "%>" (location: (2:13)-(2:15))
    │   │   │   ├── statements: (1 item)
    │   │   │   │   └── @ HTMLTextNode (location: (2:15)-(4:2))
    │   │   │   │       └── content: "\n    true\n  "
    │   │   │   │
    │   │   │   ├── subsequent:
    │   │   │   │   └── @ ERBIfNode (location: (4:2)-(6:2))
    │   │   │   │       ├── tag_opening: "<%" (location: (4:2)-(4:4))
    │   │   │   │       ├── content: " elsif false " (location: (4:4)-(4:17))
    │   │   │   │       ├── tag_closing: "%>" (location: (4:17)-(4:19))
    │   │   │   │       ├── statements: (1 item)
    │   │   │   │       │   └── @ HTMLTextNode (location: (4:19)-(6:2))
    │   │   │   │       │       └── content: "\n    false\n  "
    │   │   │   │       │
    │   │   │   │       ├── subsequent:
    │   │   │   │       │   └── @ ERBElseNode (location: (6:2)-(8:2))
    │   │   │   │       │       ├── tag_opening: "<%" (location: (6:2)-(6:4))
    │   │   │   │       │       ├── content: " else " (location: (6:4)-(6:10))
    │   │   │   │       │       ├── tag_closing: "%>" (location: (6:10)-(6:12))
    │   │   │   │       │       └── statements: (1 item)
    │   │   │   │       │           └── @ HTMLTextNode (location: (6:12)-(8:2))
    │   │   │   │       │               └── content: "\n    else\n  "
    │   │   │   │       │
    │   │   │   │       │
    │   │   │   │       └── end_node: ∅
    │   │   │   │
    │   │   │   └── end_node:
    │   │   │       └── @ ERBEndNode (location: (8:2)-(8:11))
    │   │   │           ├── tag_opening: "<%" (location: (8:2)-(8:4))
    │   │   │           ├── content: " end " (location: (8:4)-(8:9))
    │   │   │           └── tag_closing: "%>" (location: (8:9)-(8:11))
    │   │   │
    │   │   │
    │   │   └── @ HTMLTextNode (location: (8:11)-(9:0))
    │   │       └── content: "\n"
    │   │
    │   ├── close_tag:
    │   │   └── @ HTMLCloseTagNode (location: (9:0)-(9:5))
    │   │       ├── tag_opening: "</" (location: (9:0)-(9:2))
    │   │       ├── tag_name: "h1" (location: (9:2)-(9:4))
    │   │       └── tag_closing: ">" (location: (9:4)-(9:5))
    │   │
    │   └── is_void: false
    │
    └── @ HTMLTextNode (location: (9:5)-(10:0))
        └── content: "\n"