{"ast_node_type":"import","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
                // Here we use a fake precedence value so that any child with lower precedence than
                // than `Assign`, but `x .. x = x` gives a parse error instead of `x .. (x = x)`.
                // a "normal" binop gets parenthesized. (`LOr` is the lowest-precedence binop.)