syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":".filter_map(|item|"}]}
source_snippet:         .filter_map(|item| item.trait_item_def_id.map(|trait_item| (trait_item, item.def_id)))
context_before:         .in_definition_order()
context_after:         .collect()