@ ProgramNode (location: (1,0)-(63,7))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(63,7))
    └── body: (length: 32)
        ├── @ CallNode (location: (1,0)-(1,2))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (1,1)-(1,2))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (1,0)-(1,1) = "!"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :!
        ├── @ CallNode (location: (3,0)-(3,2))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (3,1)-(3,2))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (3,0)-(3,1) = "~"
        │   ├── opening_loc: ∅
        │   ├── arguments: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :~
        ├── @ CallNode (location: (5,0)-(5,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (5,0)-(5,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (5,2)-(5,4) = "!="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (5,5)-(5,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (5,5)-(5,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :!=
        ├── @ CallNode (location: (7,0)-(7,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (7,0)-(7,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (7,2)-(7,4) = "!~"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (7,5)-(7,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (7,5)-(7,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :!~
        ├── @ CallNode (location: (9,0)-(9,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (9,0)-(9,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (9,2)-(9,3) = "%"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (9,4)-(9,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (9,4)-(9,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :%
        ├── @ CallNode (location: (11,0)-(11,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (11,0)-(11,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (11,2)-(11,3) = "&"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (11,4)-(11,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (11,4)-(11,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :&
        ├── @ CallNode (location: (13,0)-(13,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (13,0)-(13,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (13,2)-(13,3) = "*"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (13,4)-(13,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (13,4)-(13,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :*
        ├── @ CallNode (location: (15,0)-(15,4))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (15,0)-(15,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (15,1)-(15,3) = "**"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (15,3)-(15,4))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (15,3)-(15,4))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :**
        ├── @ CallNode (location: (17,0)-(17,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (17,0)-(17,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (17,2)-(17,3) = "+"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (17,4)-(17,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (17,4)-(17,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :+
        ├── @ CallNode (location: (19,0)-(19,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (19,0)-(19,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (19,2)-(19,3) = "-"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (19,4)-(19,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (19,4)-(19,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :-
        ├── @ CallNode (location: (21,0)-(21,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (21,0)-(21,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (21,2)-(21,3) = "/"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (21,4)-(21,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (21,4)-(21,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :/
        ├── @ CallNode (location: (23,0)-(23,5))
        │   ├── receiver:
        │   │   @ CallNode (location: (23,0)-(23,3))
        │   │   ├── receiver:
        │   │   │   @ IntegerNode (location: (23,0)-(23,1))
        │   │   │   └── flags: decimal
        │   │   ├── call_operator_loc: ∅
        │   │   ├── message_loc: (23,1)-(23,2) = "/"
        │   │   ├── opening_loc: ∅
        │   │   ├── arguments:
        │   │   │   @ ArgumentsNode (location: (23,2)-(23,3))
        │   │   │   ├── arguments: (length: 1)
        │   │   │   │   └── @ IntegerNode (location: (23,2)-(23,3))
        │   │   │   │       └── flags: decimal
        │   │   │   └── flags: ∅
        │   │   ├── closing_loc: ∅
        │   │   ├── block: ∅
        │   │   ├── flags: ∅
        │   │   └── name: :/
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (23,3)-(23,4) = "/"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (23,4)-(23,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (23,4)-(23,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :/
        ├── @ CallNode (location: (25,0)-(25,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (25,0)-(25,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (25,2)-(25,3) = "<"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (25,4)-(25,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (25,4)-(25,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :<
        ├── @ CallNode (location: (27,0)-(27,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (27,0)-(27,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (27,2)-(27,4) = "<<"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (27,5)-(27,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (27,5)-(27,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :<<
        ├── @ CallNode (location: (29,0)-(29,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (29,0)-(29,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (29,2)-(29,4) = "<="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (29,5)-(29,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (29,5)-(29,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :<=
        ├── @ CallNode (location: (31,0)-(31,7))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (31,0)-(31,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (31,2)-(31,5) = "<=>"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (31,6)-(31,7))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (31,6)-(31,7))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :<=>
        ├── @ CallNode (location: (33,0)-(33,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (33,0)-(33,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (33,2)-(33,4) = "=="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (33,5)-(33,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (33,5)-(33,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :==
        ├── @ CallNode (location: (35,0)-(35,7))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (35,0)-(35,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (35,2)-(35,5) = "==="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (35,6)-(35,7))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (35,6)-(35,7))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :===
        ├── @ CallNode (location: (37,0)-(37,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (37,0)-(37,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (37,2)-(37,4) = "=~"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (37,5)-(37,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (37,5)-(37,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :=~
        ├── @ CallNode (location: (39,0)-(39,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (39,0)-(39,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (39,2)-(39,3) = ">"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (39,4)-(39,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (39,4)-(39,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :>
        ├── @ CallNode (location: (41,0)-(41,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (41,0)-(41,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (41,2)-(41,4) = ">="
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (41,5)-(41,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (41,5)-(41,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :>=
        ├── @ CallNode (location: (43,0)-(43,6))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (43,0)-(43,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (43,2)-(43,4) = ">>"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (43,5)-(43,6))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (43,5)-(43,6))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :>>
        ├── @ CallNode (location: (45,0)-(45,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (45,0)-(45,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (45,2)-(45,3) = "^"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (45,4)-(45,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (45,4)-(45,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :^
        ├── @ CallNode (location: (47,0)-(47,5))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (47,0)-(47,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (47,2)-(47,3) = "|"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (47,4)-(47,5))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (47,4)-(47,5))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :|
        ├── @ AndNode (location: (49,0)-(49,6))
        │   ├── left:
        │   │   @ IntegerNode (location: (49,0)-(49,1))
        │   │   └── flags: decimal
        │   ├── right:
        │   │   @ IntegerNode (location: (49,5)-(49,6))
        │   │   └── flags: decimal
        │   └── operator_loc: (49,2)-(49,4) = "&&"
        ├── @ AndNode (location: (51,0)-(51,7))
        │   ├── left:
        │   │   @ IntegerNode (location: (51,0)-(51,1))
        │   │   └── flags: decimal
        │   ├── right:
        │   │   @ IntegerNode (location: (51,6)-(51,7))
        │   │   └── flags: decimal
        │   └── operator_loc: (51,2)-(51,5) = "and"
        ├── @ CallNode (location: (53,0)-(53,10))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (53,0)-(53,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (53,2)-(53,3) = "*"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (53,4)-(53,10))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ CallNode (location: (53,4)-(53,10))
        │   │   │       ├── receiver:
        │   │   │       │   @ IntegerNode (location: (53,4)-(53,5))
        │   │   │       │   └── flags: decimal
        │   │   │       ├── call_operator_loc: ∅
        │   │   │       ├── message_loc: (53,6)-(53,8) = "**"
        │   │   │       ├── opening_loc: ∅
        │   │   │       ├── arguments:
        │   │   │       │   @ ArgumentsNode (location: (53,9)-(53,10))
        │   │   │       │   ├── arguments: (length: 1)
        │   │   │       │   │   └── @ IntegerNode (location: (53,9)-(53,10))
        │   │   │       │   │       └── flags: decimal
        │   │   │       │   └── flags: ∅
        │   │   │       ├── closing_loc: ∅
        │   │   │       ├── block: ∅
        │   │   │       ├── flags: ∅
        │   │   │       └── name: :**
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :*
        ├── @ CallNode (location: (55,0)-(55,9))
        │   ├── receiver:
        │   │   @ CallNode (location: (55,0)-(55,5))
        │   │   ├── receiver:
        │   │   │   @ IntegerNode (location: (55,0)-(55,1))
        │   │   │   └── flags: decimal
        │   │   ├── call_operator_loc: ∅
        │   │   ├── message_loc: (55,2)-(55,3) = "*"
        │   │   ├── opening_loc: ∅
        │   │   ├── arguments:
        │   │   │   @ ArgumentsNode (location: (55,4)-(55,5))
        │   │   │   ├── arguments: (length: 1)
        │   │   │   │   └── @ IntegerNode (location: (55,4)-(55,5))
        │   │   │   │       └── flags: decimal
        │   │   │   └── flags: ∅
        │   │   ├── closing_loc: ∅
        │   │   ├── block: ∅
        │   │   ├── flags: ∅
        │   │   └── name: :*
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (55,6)-(55,7) = "+"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (55,8)-(55,9))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ IntegerNode (location: (55,8)-(55,9))
        │   │   │       └── flags: decimal
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :+
        ├── @ OrNode (location: (57,0)-(57,6))
        │   ├── left:
        │   │   @ IntegerNode (location: (57,0)-(57,1))
        │   │   └── flags: decimal
        │   ├── right:
        │   │   @ IntegerNode (location: (57,5)-(57,6))
        │   │   └── flags: decimal
        │   └── operator_loc: (57,2)-(57,4) = "or"
        ├── @ OrNode (location: (59,0)-(59,6))
        │   ├── left:
        │   │   @ IntegerNode (location: (59,0)-(59,1))
        │   │   └── flags: decimal
        │   ├── right:
        │   │   @ IntegerNode (location: (59,5)-(59,6))
        │   │   └── flags: decimal
        │   └── operator_loc: (59,2)-(59,4) = "||"
        ├── @ CallNode (location: (61,0)-(61,9))
        │   ├── receiver:
        │   │   @ IntegerNode (location: (61,0)-(61,1))
        │   │   └── flags: decimal
        │   ├── call_operator_loc: ∅
        │   ├── message_loc: (61,2)-(61,3) = "+"
        │   ├── opening_loc: ∅
        │   ├── arguments:
        │   │   @ ArgumentsNode (location: (61,4)-(61,9))
        │   │   ├── arguments: (length: 1)
        │   │   │   └── @ CallNode (location: (61,4)-(61,9))
        │   │   │       ├── receiver:
        │   │   │       │   @ IntegerNode (location: (61,4)-(61,5))
        │   │   │       │   └── flags: decimal
        │   │   │       ├── call_operator_loc: ∅
        │   │   │       ├── message_loc: (61,6)-(61,7) = "*"
        │   │   │       ├── opening_loc: ∅
        │   │   │       ├── arguments:
        │   │   │       │   @ ArgumentsNode (location: (61,8)-(61,9))
        │   │   │       │   ├── arguments: (length: 1)
        │   │   │       │   │   └── @ IntegerNode (location: (61,8)-(61,9))
        │   │   │       │   │       └── flags: decimal
        │   │   │       │   └── flags: ∅
        │   │   │       ├── closing_loc: ∅
        │   │   │       ├── block: ∅
        │   │   │       ├── flags: ∅
        │   │   │       └── name: :*
        │   │   └── flags: ∅
        │   ├── closing_loc: ∅
        │   ├── block: ∅
        │   ├── flags: ∅
        │   └── name: :+
        └── @ ParenthesesNode (location: (63,0)-(63,7))
            ├── body:
            │   @ StatementsNode (location: (63,1)-(63,6))
            │   └── body: (length: 1)
            │       └── @ CallNode (location: (63,1)-(63,6))
            │           ├── receiver:
            │           │   @ IntegerNode (location: (63,1)-(63,2))
            │           │   └── flags: decimal
            │           ├── call_operator_loc: ∅
            │           ├── message_loc: (63,3)-(63,4) = "+"
            │           ├── opening_loc: ∅
            │           ├── arguments:
            │           │   @ ArgumentsNode (location: (63,5)-(63,6))
            │           │   ├── arguments: (length: 1)
            │           │   │   └── @ IntegerNode (location: (63,5)-(63,6))
            │           │   │       └── flags: decimal
            │           │   └── flags: ∅
            │           ├── closing_loc: ∅
            │           ├── block: ∅
            │           ├── flags: ∅
            │           └── name: :+
            ├── opening_loc: (63,0)-(63,1) = "("
            └── closing_loc: (63,6)-(63,7) = ")"
