1 files changed, 48 insertions, 0 deletions
diff --git a/src/SMAPI/Framework/Deprecations/DeprecationWarning.cs b/src/SMAPI/Framework/Deprecations/DeprecationWarning.cs
new file mode 100644
index 00000000..38062daf
--- /dev/null
+++ b/src/SMAPI/Framework/Deprecations/DeprecationWarning.cs
@@ -0,0 +1,48 @@
+using System.Diagnostics;
+
+namespace StardewModdingAPI.Framework.Deprecations
+{
+    /// <summary>A deprecation warning for a mod.</summary>
+    internal class DeprecationWarning
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The affected mod.</summary>
+        public IModMetadata? Mod { get; }
+
+        /// <summary>Get the display name for the affected mod.</summary>
+        public string ModName => this.Mod?.DisplayName ?? "<unknown mod>";
+
+        /// <summary>A noun phrase describing what is deprecated.</summary>
+        public string NounPhrase { get; }
+
+        /// <summary>The SMAPI version which deprecated it.</summary>
+        public string Version { get; }
+
+        /// <summary>The deprecation level for the affected code.</summary>
+        public DeprecationLevel Level { get; }
+
+        /// <summary>The stack trace when the deprecation warning was raised.</summary>
+        public StackTrace StackTrace { get; }
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="mod">The affected mod.</param>
+        /// <param name="nounPhrase">A noun phrase describing what is deprecated.</param>
+        /// <param name="version">The SMAPI version which deprecated it.</param>
+        /// <param name="level">The deprecation level for the affected code.</param>
+        /// <param name="stackTrace">The stack trace when the deprecation warning was raised.</param>
+        public DeprecationWarning(IModMetadata? mod, string nounPhrase, string version, DeprecationLevel level, StackTrace stackTrace)
+        {
+            this.Mod = mod;
+            this.NounPhrase = nounPhrase;
+            this.Version = version;
+            this.Level = level;
+            this.StackTrace = stackTrace;
+        }
+    }
+}