{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"AliasTy::Projection(projection_ty)"}]}
            AliasTy::Projection(projection_ty) => Interner::debug_projection_ty(projection_ty, fmt),
        match alias {
            AliasTy::Opaque(opaque_ty) => Some(opaque_ty.fmt(fmt)),