added interface

Consul/Config.cs

@@ -30,9 +30,15 @@ public class ConfigPayload
         public string Name { get; set; }
         public string Protocol { get; set; }
     }
-    public class Config
+
+    public interface IConfig
     {
-        public Task<WriteResult> ApplyConfig( ConfigPayload cp, CancellationToken ct = default)
+
+    }
+
+    public class Config : IConfig
+    {
+        public Task<WriteResult> ApplyConfig(ConfigPayload cp, CancellationToken ct = default)
         {
             return ApplyConfig(string.Empty, 0, cp, WriteOptions.Default, ct);
         }
@@ -41,9 +47,9 @@ public Task<WriteResult> ApplyConfig(string dc, ConfigPayload cp, CancellationTo
             return ApplyConfig(dc, 0, cp, WriteOptions.Default, ct);
         }
 
-        public Task<WriteResult> ApplyConfig( int cas, ConfigPayload cp,  CancellationToken ct = default)
+        public Task<WriteResult> ApplyConfig(int cas, ConfigPayload cp, CancellationToken ct = default)
         {
-            return ApplyConfig(string.Empty, cas, cp,  WriteOptions.Default, ct);
+            return ApplyConfig(string.Empty, cas, cp, WriteOptions.Default, ct);
         }
         public Task<WriteResult> ApplyConfig(string dc = "", int cas = 0, ConfigPayload cp, WriteOptions q, CancellationToken ct = default)
         {
@@ -55,5 +61,5 @@ public Task<WriteResult> ApplyConfig(string dc = "", int cas = 0, ConfigPayload
             }
         }
     }
-   
+
 }

Consul/Interfaces/IConfigEndpoint.cs

@@ -0,0 +1,34 @@
+// -----------------------------------------------------------------------
+//  <copyright file="IConfigEndpoint.cs" company="G-Research Limited">
+//    Copyright 2020 G-Research Limited
+//
+//    Licensed under the Apache License, Version 2.0 (the "License"),
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//  </copyright>
+// -----------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using System.Threading;
+
+namespace Consul.Interfaces
+{
+    public interface IConfigEndpoint
+    {
+        Task<WriteResult> ApplyConfig(string dc = "", int cas = 0, ConfigPayload cp = null, WriteOptions q = null, CancellationToken ct = default);
+        Task<WriteResult> ApplyConfig(ConfigPayload cp, CancellationToken ct = default);
+        Task<WriteResult> ApplyConfig(int cas, ConfigPayload cp, CancellationToken ct = default);
+        Task<WriteResult> ApplyConfig(string dc, ConfigPayload cp, CancellationToken ct = default);
+    }
+}