[
 (decl_specifiers) {
  (scoped_type) {
   (namespace_resolve) {
    (namespace_resolve) {
     (instantiated_template_type) {
      std
      (template_instantiation_arguments) {
       <
       (decl_specifiers) {
        (builtintype) {
         int
        }
       }
       >
      }
     }
     ::
    }
    (instantiated_template_type) {
     vector
     (template_instantiation_arguments) {
      <
      2
      >
     }
    }
    ::
   }
   inner
  }
 }
]