syntax_data: {"ast_node_type":"function","tokens":[{"end":89,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn highlighting_bound_region(&mut self, br: ty::BoundRegionKind, number: usize) {
context_before:     /// the field `highlight_bound_region` for more detailed notes.
context_after:         assert!(self.highlight_bound_region.is_none());