/// <summary>
        /// Generates VPN profile for P2S client of the virtual network gateway in the
        /// specified resource group. Used for IKEV2 and radius based authentication.
        /// </summary>
        /// <param name='operations'>
        /// The operations group for this extension method.
        /// </param>
        /// <param name='resourceGroupName'>
        /// The name of the resource group.
        /// </param>
        /// <param name='virtualNetworkGatewayName'>
        /// The name of the virtual network gateway.
        /// </param>
        /// <param name='parameters'>
        /// Parameters supplied to the generate virtual network gateway VPN client
        /// package operation.
        /// </param>
        /// <param name='cancellationToken'>
        /// The cancellation token.
        /// </param>
        public static async Task <string> GenerateGatewayVpnProfileAsync(this IVirtualNetworkGatewaysOperations operations,
                                                                         string resourceGroupName, string virtualNetworkGatewayName, VpnClientParameters parameters,
                                                                         CancellationToken cancellationToken = default(CancellationToken))
        {
            AzureOperationResponse <string> result = await operations.GenerateGatewayVpnProfileWithHttpMessagesAsync(
                resourceGroupName,
                virtualNetworkGatewayName,
                parameters,
                null,
                cancellationToken).ConfigureAwait(false);

            return(result.Body);
        }