/// <summary>
        /// Gets pre-generated VPN profile for P2S client of the virtual network
        /// gateway in the specified resource group. The profile needs to be generated
        /// first using generateVpnProfile.
        /// </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='cancellationToken'>
        /// The cancellation token.
        /// </param>
        public static async Task <string> GetGatewayVpnProfileAsync(this IVirtualNetworkGatewaysOperations operations,
                                                                    string resourceGroupName,
                                                                    string virtualNetworkGatewayName,
                                                                    CancellationToken cancellationToken = default(CancellationToken))
        {
            AzureOperationResponse <string> result = await operations.GetGatewayVpnProfileWithHttpMessagesAsync(
                resourceGroupName,
                virtualNetworkGatewayName,
                null,
                cancellationToken).ConfigureAwait(false);

            return(result.Body);
        }