@ ProgramNode (location: (2,0)-(3,3))
├── locals: []
└── statements:
    @ StatementsNode (location: (2,0)-(3,3))
    └── body: (length: 1)
        └── @ ClassNode (location: (2,0)-(3,3))
            ├── locals: []
            ├── class_keyword_loc: (2,0)-(2,5) = "class"
            ├── constant_path:
            │   @ ConstantReadNode (location: (2,6)-(2,34))
            │   └── name: :ExampleUTF8ClassNameVarietà
            ├── inheritance_operator_loc: ∅
            ├── superclass: ∅
            ├── body:
            │   @ StatementsNode (location: (2,36)-(2,68))
            │   └── body: (length: 1)
            │       └── @ DefNode (location: (2,36)-(2,68))
            │           ├── name: :è
            │           ├── name_loc: (2,45)-(2,47) = "è"
            │           ├── receiver:
            │           │   @ SelfNode (location: (2,40)-(2,44))
            │           ├── parameters: ∅
            │           ├── body:
            │           │   @ StatementsNode (location: (2,49)-(2,63))
            │           │   └── body: (length: 1)
            │           │       └── @ LocalVariableWriteNode (location: (2,49)-(2,63))
            │           │           ├── name: :così
            │           │           ├── depth: 0
            │           │           ├── name_loc: (2,49)-(2,54) = "così"
            │           │           ├── value:
            │           │           │   @ SymbolNode (location: (2,57)-(2,63))
            │           │           │   ├── flags: ∅
            │           │           │   ├── opening_loc: (2,57)-(2,58) = ":"
            │           │           │   ├── value_loc: (2,58)-(2,63) = "però"
            │           │           │   ├── closing_loc: ∅
            │           │           │   └── unescaped: "però"
            │           │           └── operator_loc: (2,55)-(2,56) = "="
            │           ├── locals: [:così]
            │           ├── def_keyword_loc: (2,36)-(2,39) = "def"
            │           ├── operator_loc: (2,44)-(2,45) = "."
            │           ├── lparen_loc: ∅
            │           ├── rparen_loc: ∅
            │           ├── equal_loc: ∅
            │           └── end_keyword_loc: (2,65)-(2,68) = "end"
            ├── end_keyword_loc: (3,0)-(3,3) = "end"
            └── name: :ExampleUTF8ClassNameVarietà
