syntax_data: {"ast_node_type":"other","tokens":[{"end":16,"kind":"keyword","start":0,"text":")"}]}
source_snippet: ) -> Option<T> {
context_before:     segment_visitor: impl FnMut(VtblSegment<'tcx>) -> ControlFlow<T>,
context_after:     prepare_vtable_segments_inner(tcx, trait_ref, segment_visitor).break_value()