@ ProgramNode (location: (1,0)-(3,11))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(3,11))
    └── body: (length: 2)
        ├── @ AndNode (location: (1,0)-(1,10))
        │   ├── left:
        │   │   @ CallNode (location: (1,0)-(1,3))
        │   │   ├── receiver: ∅
        │   │   ├── call_operator_loc: ∅
        │   │   ├── message_loc: (1,0)-(1,3) = "foo"
        │   │   ├── opening_loc: ∅
        │   │   ├── arguments: ∅
        │   │   ├── closing_loc: ∅
        │   │   ├── block: ∅
        │   │   ├── flags: variable_call
        │   │   └── name: :foo
        │   ├── right:
        │   │   @ CallNode (location: (1,7)-(1,10))
        │   │   ├── receiver: ∅
        │   │   ├── call_operator_loc: ∅
        │   │   ├── message_loc: (1,7)-(1,10) = "bar"
        │   │   ├── opening_loc: ∅
        │   │   ├── arguments: ∅
        │   │   ├── closing_loc: ∅
        │   │   ├── block: ∅
        │   │   ├── flags: variable_call
        │   │   └── name: :bar
        │   └── operator_loc: (1,4)-(1,6) = "&&"
        └── @ AndNode (location: (3,0)-(3,11))
            ├── left:
            │   @ CallNode (location: (3,0)-(3,3))
            │   ├── receiver: ∅
            │   ├── call_operator_loc: ∅
            │   ├── message_loc: (3,0)-(3,3) = "foo"
            │   ├── opening_loc: ∅
            │   ├── arguments: ∅
            │   ├── closing_loc: ∅
            │   ├── block: ∅
            │   ├── flags: variable_call
            │   └── name: :foo
            ├── right:
            │   @ CallNode (location: (3,8)-(3,11))
            │   ├── receiver: ∅
            │   ├── call_operator_loc: ∅
            │   ├── message_loc: (3,8)-(3,11) = "bar"
            │   ├── opening_loc: ∅
            │   ├── arguments: ∅
            │   ├── closing_loc: ∅
            │   ├── block: ∅
            │   ├── flags: variable_call
            │   └── name: :bar
            └── operator_loc: (3,4)-(3,7) = "and"
