syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"{"}]}
source_snippet:             {
context_before:                 siblings.find(|&sibling| visited.insert(sibling.upcast(tcx)))
context_after:                 stack.push((next_inner_most_trait_ref, emit_vptr_on_new_entry, siblings));