{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"ty::trait_def::TraitSpecializationKind::Marker"}]}
        ty::trait_def::TraitSpecializationKind::Marker
    let specialization_kind = if find_attr!(attrs, AttributeKind::UnsafeSpecializationMarker(_)) {
    } else if find_attr!(attrs, AttributeKind::SpecializationTrait(_)) {