code: public AvailableProvidersListInner listAvailableProviders(String resourceGroupName, String networkWatcherName, AvailableProvidersListParameters parameters) {
          return listAvailableProvidersWithServiceResponseAsync(resourceGroupName, networkWatcherName, parameters).toBlocking().last().body();
      }
docs: Lists all available internet service providers for a specified Azure region.
  
  @param resourceGroupName The name of the network watcher resource group.
  @param networkWatcherName The name of the network watcher resource.
  @param parameters Parameters that scope the list of available providers.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the AvailableProvidersListInner object if successful.