@ ProgramNode (location: (1,0)-(1,5))
├── flags: ∅
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(1,5))
    ├── flags: ∅
    └── body: (length: 1)
        └── @ MultiWriteNode (location: (1,0)-(1,5))
            ├── flags: newline
            ├── lefts: (length: 0)
            ├── rest:
            │   @ SplatNode (location: (1,0)-(1,1))
            │   ├── flags: ∅
            │   ├── operator_loc: (1,0)-(1,1) = "*"
            │   └── expression: ∅
            ├── rights: (length: 0)
            ├── lparen_loc: ∅
            ├── rparen_loc: ∅
            ├── operator_loc: (1,2)-(1,3) = "="
            └── value:
                @ IntegerNode (location: (1,4)-(1,5))
                ├── flags: static_literal, decimal
                └── value: 1
