{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"pred.cast::<ProgramClause>(Interner).into_from_env_clause(Interner)"}]}
                    pred.cast::<ProgramClause>(Interner).into_from_env_clause(Interner)
                implicitly_sized_clauses.map(|pred| {
                }),