{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"///"}]}
    /// or `#[rustc_allow_incoherent_impl]`.
    /// These can be introduced using either `#![rustc_coherence_is_core]`
    incoherent_impls: FxIndexMap<SimplifiedType, LazyArray<DefIndex>>,