{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"incoherent_impls:"}]}
    incoherent_impls: FxIndexMap<SimplifiedType, LazyArray<DefIndex>>,
    /// or `#[rustc_allow_incoherent_impl]`.
    /// Proc macro descriptions for this crate, if it's a proc macro crate.