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@ ProgramNode (location: (1,0)-(2,15))
├── locals: []
└── statements:
@ StatementsNode (location: (1,0)-(2,15))
└── body: (length: 2)
├── @ AliasGlobalVariableNode (location: (1,0)-(1,15))
│ ├── new_name:
│ │ @ GlobalVariableReadNode (location: (1,6)-(1,10))
│ │ └── name: :$foo
│ ├── old_name:
│ │ @ GlobalVariableReadNode (location: (1,11)-(1,15))
│ │ └── name: :$bar
│ └── keyword_loc: (1,0)-(1,5) = "alias"
└── @ AliasMethodNode (location: (2,0)-(2,15))
├── new_name:
│ @ SymbolNode (location: (2,6)-(2,10))
│ ├── flags: forced_us_ascii_encoding
│ ├── opening_loc: (2,6)-(2,7) = ":"
│ ├── value_loc: (2,7)-(2,10) = "foo"
│ ├── closing_loc: ∅
│ └── unescaped: "foo"
├── old_name:
│ @ SymbolNode (location: (2,11)-(2,15))
│ ├── flags: forced_us_ascii_encoding
│ ├── opening_loc: (2,11)-(2,12) = ":"
│ ├── value_loc: (2,12)-(2,15) = "bar"
│ ├── closing_loc: ∅
│ └── unescaped: "bar"
└── keyword_loc: (2,0)-(2,5) = "alias"
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