/// <remarks/>
 public void ReplaceTXTRecordsAsync(ReplaceTXTRecordsRequestType ReplaceTXTRecordsRequest, object userState) {
     if ((this.ReplaceTXTRecordsOperationCompleted == null)) {
         this.ReplaceTXTRecordsOperationCompleted = new System.Threading.SendOrPostCallback(this.OnReplaceTXTRecordsOperationCompleted);
     }
     this.InvokeAsync("ReplaceTXTRecords", new object[] {
                 ReplaceTXTRecordsRequest}, this.ReplaceTXTRecordsOperationCompleted, userState);
 }
 /// <remarks/>
 public void ReplaceTXTRecordsAsync(ReplaceTXTRecordsRequestType ReplaceTXTRecordsRequest) {
     this.ReplaceTXTRecordsAsync(ReplaceTXTRecordsRequest, null);
 }