@ ProgramNode (location: (18...90))
├── locals: []
└── statements:
    @ StatementsNode (location: (18...90))
    └── body: (length: 1)
        └── @ ClassNode (location: (18...90))
            ├── locals: []
            ├── class_keyword_loc: (18...23) = "class"
            ├── constant_path:
            │   @ ConstantReadNode (location: (24...52))
            │   └── name: :ExampleUTF8ClassNameVarietà
            ├── inheritance_operator_loc: ∅
            ├── superclass: ∅
            ├── body:
            │   @ StatementsNode (location: (54...86))
            │   └── body: (length: 1)
            │       └── @ DefNode (location: (54...86))
            │           ├── name: :è
            │           ├── name_loc: (63...65) = "è"
            │           ├── receiver:
            │           │   @ SelfNode (location: (58...62))
            │           ├── parameters: ∅
            │           ├── body:
            │           │   @ StatementsNode (location: (67...81))
            │           │   └── body: (length: 1)
            │           │       └── @ LocalVariableWriteNode (location: (67...81))
            │           │           ├── name: :così
            │           │           ├── depth: 0
            │           │           ├── name_loc: (67...72) = "così"
            │           │           ├── value:
            │           │           │   @ SymbolNode (location: (75...81))
            │           │           │   ├── opening_loc: (75...76) = ":"
            │           │           │   ├── value_loc: (76...81) = "però"
            │           │           │   ├── closing_loc: ∅
            │           │           │   └── unescaped: "però"
            │           │           └── operator_loc: (73...74) = "="
            │           ├── locals: [:così]
            │           ├── def_keyword_loc: (54...57) = "def"
            │           ├── operator_loc: (62...63) = "."
            │           ├── lparen_loc: ∅
            │           ├── rparen_loc: ∅
            │           ├── equal_loc: ∅
            │           └── end_keyword_loc: (83...86) = "end"
            ├── end_keyword_loc: (87...90) = "end"
            └── name: :ExampleUTF8ClassNameVarietà
