code: public ServiceFuture<BgpPeerStatusListResultInner> beginGetBgpPeerStatusAsync(String resourceGroupName, String virtualNetworkGatewayName, String peer, final ServiceCallback<BgpPeerStatusListResultInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginGetBgpPeerStatusWithServiceResponseAsync(resourceGroupName, virtualNetworkGatewayName, peer), serviceCallback);
      }
docs: The GetBgpPeerStatus operation retrieves the status of all BGP peers.
  
  @param resourceGroupName The name of the resource group.
  @param virtualNetworkGatewayName The name of the virtual network gateway.
  @param peer The IP address of the peer to retrieve the status of.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object