private void CheckRestricted(string name)
 {
     if (!this.internallyCreated && WebHeaderCollection.ContainsInRestricted(name, true))
     {
         throw new ArgumentException("This header must be modified with the appropiate property.");
     }
 }
 public static bool IsRestricted(string headerName, bool response)
 {
     return(WebHeaderCollection.ContainsInRestricted(WebHeaderCollection.CheckName(headerName), response));
 }