{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"ModuleAndExternPrelude(Namespace,"}]}
    ModuleAndExternPrelude(Namespace, Module<'ra>),
    /// A module, then extern prelude (used for mixed 2015-2018 mode in macros).
    /// All scopes with macro namespace and the given macro kind restriction.