Refactor: extract interfaces (#484)

* .

* MatchDetail

* rm

* resp

* log

* f

src/WireMock.Net.Abstractions/ResponseBuilders/FaultType.cs

@@ -0,0 +1,23 @@
+namespace WireMock.ResponseBuilders
+{
+    /// <summary>
+    /// The FaultType enumeration
+    /// </summary>
+    public enum FaultType
+    {
+        /// <summary>
+        /// No Fault
+        /// </summary>
+        NONE,
+
+        /// <summary>
+        /// Return a completely empty response.
+        /// </summary>
+        EMPTY_RESPONSE,
+
+        /// <summary>
+        /// Send a defined status header, then garbage, then close the connection.
+        /// </summary>
+        MALFORMED_RESPONSE_CHUNK
+    }
+}