@ ProgramNode (location: (1,0)-(3,4))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(3,4))
    └── body: (length: 1)
        └── @ AndNode (location: (1,0)-(3,4))
            ├── left:
            │   @ AndNode (location: (1,0)-(2,9))
            │   ├── left:
            │   │   @ TrueNode (location: (1,0)-(1,4))
            │   ├── right:
            │   │   @ CallNode (location: (2,0)-(2,9))
            │   │   ├── flags: ∅
            │   │   ├── receiver:
            │   │   │   @ FalseNode (location: (2,4)-(2,9))
            │   │   ├── call_operator_loc: ∅
            │   │   ├── name: :!
            │   │   ├── message_loc: (2,0)-(2,3) = "not"
            │   │   ├── opening_loc: ∅
            │   │   ├── arguments: ∅
            │   │   ├── closing_loc: ∅
            │   │   └── block: ∅
            │   └── operator_loc: (1,5)-(1,8) = "and"
            ├── right:
            │   @ TrueNode (location: (3,0)-(3,4))
            └── operator_loc: (2,10)-(2,13) = "and"