{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"derive_helpers_in_scope:"}]}
    derive_helpers_in_scope: FxHashMap<AstId<ast::Item>, Vec<(Name, MacroId, MacroCallId)>>,
    // FIXME: Figure out a better way for the IDE layer to resolve these?
    /// A mapping from [`hir_expand::MacroDefId`] to [`crate::MacroId`].