@ ProgramNode (location: (1,0)-(49,7))
├── flags: ∅
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(49,7))
    ├── flags: ∅
    └── body: (length: 25)
        ├── @ ParenthesesNode (location: (1,0)-(1,6))
        │   ├── flags: newline
        │   ├── body:
        │   │   @ StatementsNode (location: (1,1)-(1,5))
        │   │   ├── flags: ∅
        │   │   └── body: (length: 1)
        │   │       └── @ RangeNode (location: (1,1)-(1,5))
        │   │           ├── flags: newline, static_literal, exclude_end
        │   │           ├── left: ∅
        │   │           ├── right:
        │   │           │   @ IntegerNode (location: (1,4)-(1,5))
        │   │           │   ├── flags: static_literal, decimal
        │   │           │   └── value: 2
        │   │           └── operator_loc: (1,1)-(1,4) = "..."
        │   ├── opening_loc: (1,0)-(1,1) = "("
        │   └── closing_loc: (1,5)-(1,6) = ")"
        ├── @ ParenthesesNode (location: (3,0)-(3,5))
        │   ├── flags: newline
        │   ├── body:
        │   │   @ StatementsNode (location: (3,1)-(3,4))
        │   │   ├── flags: ∅
        │   │   └── body: (length: 1)
        │   │       └── @ RangeNode (location: (3,1)-(3,4))
        │   │           ├── flags: newline, static_literal
        │   │           ├── left: ∅
        │   │           ├── right:
        │   │           │   @ IntegerNode (location: (3,3)-(3,4))
        │   │           │   ├── flags: static_literal, decimal
        │   │           │   └── value: 2
        │   │           └── operator_loc: (3,1)-(3,3) = ".."
        │   ├── opening_loc: (3,0)-(3,1) = "("
        │   └── closing_loc: (3,4)-(3,5) = ")"
        ├── @ RangeNode (location: (5,0)-(5,5))
        │   ├── flags: newline, static_literal, exclude_end
        │   ├── left:
        │   │   @ IntegerNode (location: (5,0)-(5,1))
        │   │   ├── flags: static_literal, decimal
        │   │   └── value: 1
        │   ├── right:
        │   │   @ IntegerNode (location: (5,4)-(5,5))
        │   │   ├── flags: static_literal, decimal
        │   │   └── value: 2
        │   └── operator_loc: (5,1)-(5,4) = "..."
        ├── @ CallNode (location: (7,0)-(7,9))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ CallNode (location: (7,0)-(7,3))
        │   │   ├── flags: variable_call, ignore_visibility
        │   │   ├── receiver: ∅
        │   │   ├── call_operator_loc: ∅
        │   │   ├── name: :foo
        │   │   ├── message_loc: (7,0)-(7,3) = "foo"
        │   │   ├── opening_loc: ∅
        │   │   ├── arguments: ∅
        │   │   ├── closing_loc: ∅
        │   │   └── block: ∅
        │   ├── call_operator_loc: ∅
        │   ├── name: :[]
        │   ├── message_loc: (7,3)-(7,9) = "[...2]"
        │   ├── opening_loc: (7,3)-(7,4) = "["
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (7,4)-(7,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ RangeNode (location: (7,4)-(7,8))
        │   │           ├── flags: static_literal, exclude_end
        │   │           ├── left: ∅
        │   │           ├── right:
        │   │           │   @ IntegerNode (location: (7,7)-(7,8))
        │   │           │   ├── flags: static_literal, decimal
        │   │           │   └── value: 2
        │   │           └── operator_loc: (7,4)-(7,7) = "..."
        │   ├── closing_loc: (7,8)-(7,9) = "]"
        │   └── block: ∅
        ├── @ HashNode (location: (9,0)-(9,15))
        │   ├── flags: newline
        │   ├── opening_loc: (9,0)-(9,1) = "{"
        │   ├── elements: (length: 1)
        │   │   └── @ AssocNode (location: (9,2)-(9,13))
        │   │       ├── flags: ∅
        │   │       ├── key:
        │   │       │   @ SymbolNode (location: (9,2)-(9,6))
        │   │       │   ├── flags: static_literal, forced_us_ascii_encoding
        │   │       │   ├── opening_loc: ∅
        │   │       │   ├── value_loc: (9,2)-(9,5) = "foo"
        │   │       │   ├── closing_loc: (9,5)-(9,6) = ":"
        │   │       │   └── unescaped: "foo"
        │   │       ├── value:
        │   │       │   @ RangeNode (location: (9,7)-(9,13))
        │   │       │   ├── flags: exclude_end
        │   │       │   ├── left: ∅
        │   │       │   ├── right:
        │   │       │   │   @ CallNode (location: (9,10)-(9,13))
        │   │       │   │   ├── flags: variable_call, ignore_visibility
        │   │       │   │   ├── receiver: ∅
        │   │       │   │   ├── call_operator_loc: ∅
        │   │       │   │   ├── name: :bar
        │   │       │   │   ├── message_loc: (9,10)-(9,13) = "bar"
        │   │       │   │   ├── opening_loc: ∅
        │   │       │   │   ├── arguments: ∅
        │   │       │   │   ├── closing_loc: ∅
        │   │       │   │   └── block: ∅
        │   │       │   └── operator_loc: (9,7)-(9,10) = "..."
        │   │       └── operator_loc: ∅
        │   └── closing_loc: (9,14)-(9,15) = "}"
        ├── @ ParenthesesNode (location: (11,0)-(11,6))
        │   ├── flags: newline
        │   ├── body:
        │   │   @ StatementsNode (location: (11,1)-(11,5))
        │   │   ├── flags: ∅
        │   │   └── body: (length: 1)
        │   │       └── @ RangeNode (location: (11,1)-(11,5))
        │   │           ├── flags: newline, static_literal, exclude_end
        │   │           ├── left:
        │   │           │   @ IntegerNode (location: (11,1)-(11,2))
        │   │           │   ├── flags: static_literal, decimal
        │   │           │   └── value: 1
        │   │           ├── right: ∅
        │   │           └── operator_loc: (11,2)-(11,5) = "..."
        │   ├── opening_loc: (11,0)-(11,1) = "("
        │   └── closing_loc: (11,5)-(11,6) = ")"
        ├── @ RangeNode (location: (13,0)-(13,4))
        │   ├── flags: newline, static_literal
        │   ├── left:
        │   │   @ IntegerNode (location: (13,0)-(13,1))
        │   │   ├── flags: static_literal, decimal
        │   │   └── value: 1
        │   ├── right:
        │   │   @ IntegerNode (location: (13,3)-(13,4))
        │   │   ├── flags: static_literal, decimal
        │   │   └── value: 2
        │   └── operator_loc: (13,1)-(13,3) = ".."
        ├── @ HashNode (location: (15,0)-(15,14))
        │   ├── flags: newline
        │   ├── opening_loc: (15,0)-(15,1) = "{"
        │   ├── elements: (length: 1)
        │   │   └── @ AssocNode (location: (15,2)-(15,12))
        │   │       ├── flags: ∅
        │   │       ├── key:
        │   │       │   @ SymbolNode (location: (15,2)-(15,6))
        │   │       │   ├── flags: static_literal, forced_us_ascii_encoding
        │   │       │   ├── opening_loc: ∅
        │   │       │   ├── value_loc: (15,2)-(15,5) = "foo"
        │   │       │   ├── closing_loc: (15,5)-(15,6) = ":"
        │   │       │   └── unescaped: "foo"
        │   │       ├── value:
        │   │       │   @ RangeNode (location: (15,7)-(15,12))
        │   │       │   ├── flags: ∅
        │   │       │   ├── left: ∅
        │   │       │   ├── right:
        │   │       │   │   @ CallNode (location: (15,9)-(15,12))
        │   │       │   │   ├── flags: variable_call, ignore_visibility
        │   │       │   │   ├── receiver: ∅
        │   │       │   │   ├── call_operator_loc: ∅
        │   │       │   │   ├── name: :bar
        │   │       │   │   ├── message_loc: (15,9)-(15,12) = "bar"
        │   │       │   │   ├── opening_loc: ∅
        │   │       │   │   ├── arguments: ∅
        │   │       │   │   ├── closing_loc: ∅
        │   │       │   │   └── block: ∅
        │   │       │   └── operator_loc: (15,7)-(15,9) = ".."
        │   │       └── operator_loc: ∅
        │   └── closing_loc: (15,13)-(15,14) = "}"
        ├── @ ParenthesesNode (location: (17,0)-(17,5))
        │   ├── flags: newline
        │   ├── body:
        │   │   @ StatementsNode (location: (17,1)-(17,4))
        │   │   ├── flags: ∅
        │   │   └── body: (length: 1)
        │   │       └── @ RangeNode (location: (17,1)-(17,4))
        │   │           ├── flags: newline, static_literal
        │   │           ├── left:
        │   │           │   @ IntegerNode (location: (17,1)-(17,2))
        │   │           │   ├── flags: static_literal, decimal
        │   │           │   └── value: 1
        │   │           ├── right: ∅
        │   │           └── operator_loc: (17,2)-(17,4) = ".."
        │   ├── opening_loc: (17,0)-(17,1) = "("
        │   └── closing_loc: (17,4)-(17,5) = ")"
        ├── @ RangeNode (location: (19,0)-(19,8))
        │   ├── flags: newline
        │   ├── left:
        │   │   @ IntegerNode (location: (19,0)-(19,1))
        │   │   ├── flags: static_literal, decimal
        │   │   └── value: 1
        │   ├── right:
        │   │   @ RangeNode (location: (19,5)-(19,8))
        │   │   ├── flags: static_literal
        │   │   ├── left: ∅
        │   │   ├── right:
        │   │   │   @ IntegerNode (location: (19,7)-(19,8))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   └── operator_loc: (19,5)-(19,7) = ".."
        │   └── operator_loc: (19,2)-(19,4) = ".."
        ├── @ AndNode (location: (21,0)-(21,8))
        │   ├── flags: newline
        │   ├── left:
        │   │   @ RangeNode (location: (21,0)-(21,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (21,0)-(21,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (21,1)-(21,3) = ".."
        │   ├── right:
        │   │   @ IntegerNode (location: (21,7)-(21,8))
        │   │   ├── flags: static_literal, decimal
        │   │   └── value: 2
        │   └── operator_loc: (21,4)-(21,6) = "&&"
        ├── @ CallNode (location: (23,0)-(23,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (23,0)-(23,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (23,0)-(23,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (23,1)-(23,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :==
        │   ├── message_loc: (23,4)-(23,6) = "=="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (23,7)-(23,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (23,7)-(23,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (25,0)-(25,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (25,0)-(25,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (25,0)-(25,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (25,1)-(25,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :!=
        │   ├── message_loc: (25,4)-(25,6) = "!="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (25,7)-(25,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (25,7)-(25,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (27,0)-(27,9))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (27,0)-(27,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (27,0)-(27,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (27,1)-(27,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :===
        │   ├── message_loc: (27,4)-(27,7) = "==="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (27,8)-(27,9))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (27,8)-(27,9))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (29,0)-(29,9))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (29,0)-(29,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (29,0)-(29,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (29,1)-(29,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :<=>
        │   ├── message_loc: (29,4)-(29,7) = "<=>"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (29,8)-(29,9))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (29,8)-(29,9))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (31,0)-(31,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (31,0)-(31,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (31,0)-(31,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (31,1)-(31,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :=~
        │   ├── message_loc: (31,4)-(31,6) = "=~"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (31,7)-(31,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (31,7)-(31,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (33,0)-(33,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (33,0)-(33,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (33,0)-(33,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (33,1)-(33,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :!~
        │   ├── message_loc: (33,4)-(33,6) = "!~"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (33,7)-(33,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (33,7)-(33,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (35,0)-(35,7))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (35,0)-(35,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (35,0)-(35,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (35,1)-(35,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :<
        │   ├── message_loc: (35,4)-(35,5) = "<"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (35,6)-(35,7))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (35,6)-(35,7))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (37,0)-(37,7))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (37,0)-(37,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (37,0)-(37,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (37,1)-(37,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :>
        │   ├── message_loc: (37,4)-(37,5) = ">"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (37,6)-(37,7))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (37,6)-(37,7))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (39,0)-(39,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (39,0)-(39,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (39,0)-(39,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (39,1)-(39,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :<=
        │   ├── message_loc: (39,4)-(39,6) = "<="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (39,7)-(39,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (39,7)-(39,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (41,0)-(41,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (41,0)-(41,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (41,0)-(41,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (41,1)-(41,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :>=
        │   ├── message_loc: (41,4)-(41,6) = ">="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (41,7)-(41,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (41,7)-(41,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (43,0)-(43,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (43,0)-(43,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (43,0)-(43,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (43,1)-(43,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :<<
        │   ├── message_loc: (43,4)-(43,6) = "<<"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (43,7)-(43,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (43,7)-(43,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ CallNode (location: (45,0)-(45,8))
        │   ├── flags: newline
        │   ├── receiver:
        │   │   @ RangeNode (location: (45,0)-(45,3))
        │   │   ├── flags: static_literal
        │   │   ├── left:
        │   │   │   @ IntegerNode (location: (45,0)-(45,1))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 1
        │   │   ├── right: ∅
        │   │   └── operator_loc: (45,1)-(45,3) = ".."
        │   ├── call_operator_loc: ∅
        │   ├── name: :>>
        │   ├── message_loc: (45,4)-(45,6) = ">>"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (45,7)-(45,8))
        │   │   ├── flags: ∅
        │   │   └── arguments: (length: 1)
        │   │       └── @ IntegerNode (location: (45,7)-(45,8))
        │   │           ├── flags: static_literal, decimal
        │   │           └── value: 2
        │   ├── closing_loc: ∅
        │   └── block: ∅
        ├── @ RangeNode (location: (47,0)-(47,7))
        │   ├── flags: newline
        │   ├── left:
        │   │   @ IntegerNode (location: (47,0)-(47,1))
        │   │   ├── flags: static_literal, decimal
        │   │   └── value: 1
        │   ├── right:
        │   │   @ CallNode (location: (47,4)-(47,7))
        │   │   ├── flags: ∅
        │   │   ├── receiver:
        │   │   │   @ IntegerNode (location: (47,6)-(47,7))
        │   │   │   ├── flags: static_literal, decimal
        │   │   │   └── value: 2
        │   │   ├── call_operator_loc: ∅
        │   │   ├── name: :+@
        │   │   ├── message_loc: (47,4)-(47,5) = "+"
        │   │   ├── opening_loc: ∅
        │   │   ├── arguments: ∅
        │   │   ├── closing_loc: ∅
        │   │   └── block: ∅
        │   └── operator_loc: (47,1)-(47,3) = ".."
        └── @ RangeNode (location: (49,0)-(49,7))
            ├── flags: newline
            ├── left:
            │   @ IntegerNode (location: (49,0)-(49,1))
            │   ├── flags: static_literal, decimal
            │   └── value: 1
            ├── right:
            │   @ CallNode (location: (49,4)-(49,7))
            │   ├── flags: ∅
            │   ├── receiver:
            │   │   @ IntegerNode (location: (49,6)-(49,7))
            │   │   ├── flags: static_literal, decimal
            │   │   └── value: 2
            │   ├── call_operator_loc: ∅
            │   ├── name: :-@
            │   ├── message_loc: (49,4)-(49,5) = "-"
            │   ├── opening_loc: ∅
            │   ├── arguments: ∅
            │   ├── closing_loc: ∅
            │   └── block: ∅
            └── operator_loc: (49,1)-(49,3) = ".."
