{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"BECOME_EXPR"}]}
            BECOME_EXPR => Expr::BecomeExpr(BecomeExpr { syntax }),
            AWAIT_EXPR => Expr::AwaitExpr(AwaitExpr { syntax }),
            BIN_EXPR => Expr::BinExpr(BinExpr { syntax }),