syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":".filter_map(|item|"}]}
source_snippet:             .filter_map(|item| if item.is_type() { Some(item.def_id) } else { None })
context_before:             .filter(|item| !tcx.generics_require_sized_self(item.def_id))
context_after:             .collect();