@ ProgramNode (location: (1,0)-(1,7))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(1,7))
    └── body: (length: 1)
        └── @ StringNode (location: (1,0)-(1,7))
            ├── flags: ∅
            ├── opening_loc: (1,0)-(1,3) = "%q("
            ├── content_loc: (1,3)-(1,6) = "\u0001\\'"
            ├── closing_loc: (1,6)-(1,7) = ")"
            └── unescaped: "\u0001\\'"