public async Task <DescribeVpcsResponse> DescribeVpcsAsync(DescribeVpcsRequest request)
{
var httpRequest = new HttpRequestMessage(HttpMethod.Post, Endpoint)
{
Content = GetPostContent(request.ToParams())
};
var responseText = await SendAsync(httpRequest).ConfigureAwait(false);
return(DescribeVpcsResponse.Parse(responseText));
}