1 files changed, 2 insertions, 43 deletions
diff --git a/Mono.Nat/AbstractNatDevice.cs b/Mono.Nat/AbstractNatDevice.cs
index 046cfc10f..1b4216002 100644
--- a/Mono.Nat/AbstractNatDevice.cs
+++ b/Mono.Nat/AbstractNatDevice.cs
@@ -30,6 +30,7 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Net;
+using System.Threading.Tasks;
 
 namespace Mono.Nat
 {
@@ -50,48 +51,6 @@ namespace Mono.Nat
 			set { lastSeen = value; }
 		}
 
-		public virtual void CreatePortMap (Mapping mapping)
-		{
-			IAsyncResult result = BeginCreatePortMap (mapping, null, null);
-		    EndCreatePortMap(result);
-		}
-
-		public virtual void DeletePortMap (Mapping mapping)
-		{
-			IAsyncResult result = BeginDeletePortMap (mapping, null, mapping);
-			EndDeletePortMap(result);
-		}
-
-		public virtual Mapping[] GetAllMappings ()
-		{
-			IAsyncResult result = BeginGetAllMappings (null, null);
-			return EndGetAllMappings (result);
-		}
-
-		public virtual IPAddress GetExternalIP ()
-		{
-			IAsyncResult result = BeginGetExternalIP(null, null);
-			return EndGetExternalIP(result);
-		}
-
-		public virtual Mapping GetSpecificMapping (Protocol protocol, int port)
-		{
-			IAsyncResult result = this.BeginGetSpecificMapping (protocol, port, null, null);
-			return this.EndGetSpecificMapping(result);
-		}
-
-        public abstract IAsyncResult BeginCreatePortMap(Mapping mapping, AsyncCallback callback, object asyncState);
-		public abstract IAsyncResult BeginDeletePortMap (Mapping mapping, AsyncCallback callback, object asyncState);
-		
-		public abstract IAsyncResult BeginGetAllMappings (AsyncCallback callback, object asyncState);
-		public abstract IAsyncResult BeginGetExternalIP (AsyncCallback callback, object asyncState);
-        public abstract IAsyncResult BeginGetSpecificMapping(Protocol protocol, int externalPort, AsyncCallback callback, object asyncState);
-
-		public abstract void EndCreatePortMap (IAsyncResult result);
-		public abstract void EndDeletePortMap (IAsyncResult result);
-		
-		public abstract Mapping[] EndGetAllMappings (IAsyncResult result);
-		public abstract IPAddress EndGetExternalIP (IAsyncResult result);
-		public abstract Mapping EndGetSpecificMapping (IAsyncResult result);
+	    public abstract Task CreatePortMap(Mapping mapping);
 	}
 }