{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"rustc_middle::traits::query::type_op::ProvePredicate,"}]}
    rustc_middle::traits::query::type_op::ProvePredicate,
    rustc_middle::traits::query::type_op::Eq,
    rustc_middle::traits::query::type_op::Subtype,