{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"b.as_ref().filter_map(|b|"}]}
                b.as_ref().filter_map(|b| match b {
            bounds.interned().first().and_then(|b| {
                    crate::WhereClause::Implemented(trait_ref) => Some(trait_ref),