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