syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // linked list on the stack would need to be built, before any printing.
context_before:         // To support printers that do not implement `PrettyPrinter`, a `Vec` or
context_after:         match self.try_print_visible_def_path_recur(visible_parent, callers)? {