@ ProgramNode (location: (1,0)-(1,4))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(1,4))
    └── body: (length: 1)
        └── @ RangeNode (location: (1,0)-(1,4))
            ├── flags: exclude_end
            ├── left: ∅
            ├── right:
            │   @ IntegerNode (location: (1,3)-(1,4))
            │   └── flags: decimal
            └── operator_loc: (1,0)-(1,3) = "..."
