{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"WhereClause::Implemented(trait_ref)"}]}
        WhereClause::Implemented(trait_ref) => {
    elaborate_clause_supertraits(db, predicates).any(|pred| match pred {
            if from_chalk_trait_id(trait_ref.trait_id) == sized {