1 files changed, 29 insertions, 0 deletions
diff --git a/Timeline/ErrorCodes.cs b/Timeline/ErrorCodes.cs
new file mode 100644
index 00000000..0b325e27
--- /dev/null
+++ b/Timeline/ErrorCodes.cs
@@ -0,0 +1,29 @@
+namespace Timeline
+{
+    /// <summary>
+    /// All error code constants.
+    /// </summary>
+    /// <remarks>
+    /// Scheme:
+    /// abbbccdd
+    /// </remarks>
+    public static partial class ErrorCodes
+    {
+        public static partial class Http // a = 1 
+        {
+            public static class Common // bbb = 000
+            {
+                public const int InvalidModel = 10000000;
+
+                public static class Header // cc = 01
+                {
+                    public const int Missing_ContentType = 10010101; // dd = 01
+                    public const int Missing_ContentLength = 10010102; // dd = 02
+                    public const int Zero_ContentLength = 10010103; // dd = 03
+                    public const int BadFormat_IfNonMatch = 10010104; // dd = 04
+                }
+            }
+        }
+
+    }
+}