@ ProgramNode (location: (1,0)-(1,12))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(1,12))
    └── body: (length: 1)
        └── @ ConstantPathOrWriteNode (location: (1,0)-(1,12))
            ├── target:
            │   @ ConstantPathNode (location: (1,0)-(1,6))
            │   ├── parent:
            │   │   @ ConstantPathNode (location: (1,0)-(1,3))
            │   │   ├── parent: ∅
            │   │   ├── child:
            │   │   │   @ ConstantReadNode (location: (1,2)-(1,3))
            │   │   │   └── name: :X
            │   │   └── delimiter_loc: (1,0)-(1,2) = "::"
            │   ├── child:
            │   │   @ ConstantReadNode (location: (1,5)-(1,6))
            │   │   └── name: :Y
            │   └── delimiter_loc: (1,3)-(1,5) = "::"
            ├── operator_loc: (1,7)-(1,10) = "||="
            └── value:
                @ IntegerNode (location: (1,11)-(1,12))
                ├── flags: decimal
                └── value: 1