{"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"providers.valtree_to_const_val"}]}
    providers.valtree_to_const_val =
        const_eval::try_destructure_mir_constant_for_user_output;
        |tcx, cv| const_eval::valtree_to_const_value(tcx, ty::TypingEnv::fully_monomorphized(), cv);