@ ProgramNode (location: (0...14))
├── locals: [:a]
└── statements:
    @ StatementsNode (location: (0...14))
    └── body: (length: 1)
        └── @ MultiWriteNode (location: (0...14))
            ├── targets: (length: 2)
            │   ├── @ LocalVariableTargetNode (location: (0...1))
            │   │   ├── name: :a
            │   │   └── depth: 0
            │   └── @ ConstantPathTargetNode (location: (3...7))
            │       ├── parent:
            │       │   @ CallNode (location: (3...4))
            │       │   ├── receiver: ∅
            │       │   ├── call_operator_loc: ∅
            │       │   ├── message_loc: (3...4) = "b"
            │       │   ├── opening_loc: ∅
            │       │   ├── arguments: ∅
            │       │   ├── closing_loc: ∅
            │       │   ├── block: ∅
            │       │   ├── flags: variable_call
            │       │   └── name: "b"
            │       ├── child:
            │       │   @ ConstantReadNode (location: (6...7))
            │       │   └── name: :C
            │       └── delimiter_loc: (4...6) = "::"
            ├── lparen_loc: ∅
            ├── rparen_loc: ∅
            ├── operator_loc: (8...9) = "="
            └── value:
                @ ArrayNode (location: (10...14))
                ├── elements: (length: 2)
                │   ├── @ IntegerNode (location: (10...11))
                │   │   └── flags: decimal
                │   └── @ IntegerNode (location: (13...14))
                │       └── flags: decimal
                ├── opening_loc: ∅
                └── closing_loc: ∅
