function toInternalRouteRef(resource) {
  const r = resource;
  if (r.$$type !== "@backstage/RouteRef") {
    throw new Error(`Invalid RouteRef, bad type '${r.$$type}'`);
  }
  return r;
}
function isRouteRef(opaque) {
  return opaque.$$type === "@backstage/RouteRef";
}

export { isRouteRef, toInternalRouteRef };
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