First commit.

Source/OpenNest.Core/IPostProcessor.cs

@@ -0,0 +1,17 @@
+using System.IO;
+
+namespace OpenNest
+{
+    public interface IPostProcessor
+    {
+        string Name { get; }
+
+        string Author { get; }
+
+        string Description { get; }
+
+        void Post(Nest nest, Stream outputStream);
+
+        void Post(Nest nest, string outputFile);
+    }
+}