{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"T![*=]"}]}
                T![*=]  => BinaryOp::Assignment { op: Some(ArithOp::Mul) },
                T![+=]  => BinaryOp::Assignment { op: Some(ArithOp::Add) },
                T![-=]  => BinaryOp::Assignment { op: Some(ArithOp::Sub) },