code: public ServiceFuture<Void> resetVpnClientSharedKeyAsync(String resourceGroupName, String virtualNetworkGatewayName, final ServiceCallback<Void> serviceCallback) {
          return ServiceFuture.fromResponse(resetVpnClientSharedKeyWithServiceResponseAsync(resourceGroupName, virtualNetworkGatewayName), serviceCallback);
      }
docs: Resets the VPN client shared key of the virtual network gateway in the specified resource group.
  
  @param resourceGroupName The name of the resource group.
  @param virtualNetworkGatewayName The name of the virtual network gateway.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object