syntax_data: {"ast_node_type":"other","tokens":[{"end":3,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: ///
context_before: /// This is the information tracked for every [`PlaceIndex`] and is stored by [`Map`].
context_after: /// Together, `first_child` and `next_sibling` form an intrusive linked list, which is used to