syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// the path was affected by the mapping.
context_before:     /// The return value is the remapped path and a boolean indicating whether
context_after:     pub fn map_prefix<'a>(&'a self, path: impl Into<Cow<'a, Path>>) -> (Cow<'a, Path>, bool) {