Get All Web Count in SharePoint Online Site Collection using CSOM

//using Microsoft.SharePoint.Client;
//using Microsoft.Online.SharePoint.TenantAdministration;

//string weburl = "https://site.sharepoint.com";
//GetSite(credentials, weburl);

//This method returns the site collection object based on the url.
//shows the count of all subwebs available with in SharePoint online Site Collection
//Microsoft.Online.SharePoint.TenantAdministration.SiteProperties.WebsCount  property
private static void GetSite(SharePointOnlineCredentials credentials, string weburl)
{
    using (ClientContext ctx = new ClientContext(weburl))
    {
        ctx.Credentials = credentials;
        Tenant tenant = new Tenant(ctx);
        //weburl is the SharePoint Site url
        //true - includes all properties of the Site Collection in the request
        SiteProperties ositeProperties = tenant.GetSitePropertiesByUrl(weburl, true);
        ctx.Load(ositeProperties);
        ctx.ExecuteQuery();

        Console.WriteLine("Total webs: " + ositeProperties.WebsCount);
    }
    Console.WriteLine("Press any key to exit...");
    Console.Read();
}