@ ProgramNode (location: (0...13))
├── locals: []
└── statements:
    @ StatementsNode (location: (0...13))
    └── body: (length: 1)
        └── @ HashNode (location: (0...13))
            ├── opening_loc: (0...1) = "{"
            ├── elements: (length: 1)
            │   └── @ AssocNode (location: (2...11))
            │       ├── key:
            │       │   @ InterpolatedSymbolNode (location: (2...8))
            │       │   ├── opening_loc: (2...3) = "\""
            │       │   ├── parts: (length: 1)
            │       │   │   └── @ EmbeddedStatementsNode (location: (3...6))
            │       │   │       ├── opening_loc: (3...5) = "\#{"
            │       │   │       ├── statements: ∅
            │       │   │       └── closing_loc: (5...6) = "}"
            │       │   └── closing_loc: (6...8) = "\":"
            │       ├── value:
            │       │   @ ArrayNode (location: (9...11))
            │       │   ├── elements: (length: 0)
            │       │   ├── opening_loc: (9...10) = "["
            │       │   └── closing_loc: (10...11) = "]"
            │       └── operator_loc: ∅
            └── closing_loc: (12...13) = "}"
