code: @BetaApi
    public final GetNatMappingInfoRoutersPagedResponse getNatMappingInfoRouters(
        ProjectRegionRouterName router) {
      GetNatMappingInfoRoutersHttpRequest request =
          GetNatMappingInfoRoutersHttpRequest.newBuilder()
              .setRouter(router == null ? null : router.toString())
              .build();
      return getNatMappingInfoRouters(request);
    }
docs: Retrieves runtime Nat mapping information of VM endpoints.
  
  <p>Sample code:
  
  <pre><code>
  try (RouterClient routerClient = RouterClient.create()) {
  ProjectRegionRouterName router = ProjectRegionRouterName.of("[PROJECT]", "[REGION]", "[ROUTER]");
  for (VmEndpointNatMappings element : routerClient.getNatMappingInfoRouters(router).iterateAll()) {
  // doThingsWith(element);
  }
  }
  </code></pre>
  
  @param router Name of the Router resource to query for Nat Mapping information of VM endpoints.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails