Added reference project

ref/Net/Rest/CompletedRequestEventArgs.cs

@@ -0,0 +1,17 @@
+namespace Discord.Net.Rest
+{
+    public class CompletedRequestEventArgs : RequestEventArgs
+    {
+        public object Response { get; set; }
+        public string ResponseJson { get; set; }
+        public double Milliseconds { get; set; }
+
+        public CompletedRequestEventArgs(IRestRequest request, object response, string responseJson, double milliseconds)
+            : base(request)
+        {
+            Response = response;
+            ResponseJson = responseJson;
+            Milliseconds = milliseconds;
+        }
+    }
+}

ref/Net/Rest/IRestRequest.cs

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+namespace Discord.Net.Rest
+{
+    public interface IRestRequest
+    {
+        string Method { get; }
+        string Endpoint { get; }
+        object Payload { get; }
+    }
+    public interface IRestRequest<ResponseT> : IRestRequest
+        where ResponseT : class
+    {
+    }
+
+    public interface IRestFileRequest : IRestRequest
+    {
+        string Filename { get; }
+        Stream Stream { get; }
+    }
+    public interface IRestFileRequest<ResponseT> : IRestFileRequest, IRestRequest<Message>
+        where ResponseT : class
+    {
+    }
+}

ref/Net/Rest/RequestEventArgs.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Discord.Net.Rest
+{
+    public class RequestEventArgs : EventArgs
+    {
+        public IRestRequest Request { get; set; }
+        public bool Cancel { get; set; }
+
+        public RequestEventArgs(IRestRequest request) { }
+    }
+}

ref/Net/Rest/RestClient.cs

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+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Discord.Net.Rest
+{
+    public abstract partial class RestClient
+	{
+        public event EventHandler<RequestEventArgs> SendingRequest = delegate { };
+        public event EventHandler<CompletedRequestEventArgs> SentRequest = delegate { };
+
+        public CancellationToken CancelToken { get; set; }
+        public string Token { get; set; }
+        
+        public Task<ResponseT> Send<ResponseT>(IRestRequest<ResponseT> request)
+			where ResponseT : class 
+            => null;
+        public Task Send(IRestRequest request) => null;
+
+        public Task<ResponseT> Send<ResponseT>(IRestFileRequest<ResponseT> request)
+            where ResponseT : class 
+            => null;
+        public Task Send(IRestFileRequest request)  => null;
+	}
+}