@ ProgramNode (location: (1,0)-(1,12))
├── flags: ∅
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(1,12))
    ├── flags: ∅
    └── body: (length: 1)
        └── @ SourceEncodingNode (location: (1,0)-(1,12))
            └── flags: newline, static_literal
