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@ ProgramNode (location: (1,0)-(1,29))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(1,29))
└── body: (length: 1)
└── @ BeginNode (location: (1,0)-(1,29))
├── begin_keyword_loc: (1,0)-(1,5) = "begin"
├── statements:
│ @ StatementsNode (location: (1,7)-(1,11))
│ └── body: (length: 1)
│ └── @ CallNode (location: (1,7)-(1,11))
│ ├── receiver: ∅
│ ├── call_operator_loc: ∅
│ ├── message_loc: (1,7)-(1,11) = "meth"
│ ├── opening_loc: ∅
│ ├── arguments: ∅
│ ├── closing_loc: ∅
│ ├── block: ∅
│ ├── flags: variable_call
│ └── name: "meth"
├── rescue_clause: ∅
├── else_clause: ∅
├── ensure_clause:
│ @ EnsureNode (location: (1,13)-(1,29))
│ ├── ensure_keyword_loc: (1,13)-(1,19) = "ensure"
│ ├── statements:
│ │ @ StatementsNode (location: (1,21)-(1,24))
│ │ └── body: (length: 1)
│ │ └── @ CallNode (location: (1,21)-(1,24))
│ │ ├── receiver: ∅
│ │ ├── call_operator_loc: ∅
│ │ ├── message_loc: (1,21)-(1,24) = "bar"
│ │ ├── opening_loc: ∅
│ │ ├── arguments: ∅
│ │ ├── closing_loc: ∅
│ │ ├── block: ∅
│ │ ├── flags: variable_call
│ │ └── name: "bar"
│ └── end_keyword_loc: (1,26)-(1,29) = "end"
└── end_keyword_loc: (1,26)-(1,29) = "end"
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