{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"TyAlias(Ident,"}]}
    TyAlias(Ident, &'hir Generics<'hir>, &'hir Ty<'hir>),
    /// A type alias, e.g., `type Foo = Bar<u8>`.
    /// An enum definition, e.g., `enum Foo<A, B> { C<A>, D<B> }`.