1 files changed, 20 insertions, 0 deletions
diff --git a/src/SMAPI.Toolkit/Utilities/PathLookups/IFilePathLookup.cs b/src/SMAPI.Toolkit/Utilities/PathLookups/IFilePathLookup.cs
new file mode 100644
index 00000000..678e1383
--- /dev/null
+++ b/src/SMAPI.Toolkit/Utilities/PathLookups/IFilePathLookup.cs
@@ -0,0 +1,20 @@
+namespace StardewModdingAPI.Toolkit.Utilities.PathLookups
+{
+    /// <summary>An API for relative path lookups within a root directory.</summary>
+    internal interface IFilePathLookup
+    {
+        /// <summary>Get the actual path for a given relative file path.</summary>
+        /// <param name="relativePath">The relative path.</param>
+        /// <remarks>Returns the resolved path in file path format, else the normalized <paramref name="relativePath"/>.</remarks>
+        string GetFilePath(string relativePath);
+
+        /// <summary>Get the actual path for a given asset name.</summary>
+        /// <param name="relativePath">The relative path.</param>
+        /// <remarks>Returns the resolved path in asset name format, else the normalized <paramref name="relativePath"/>.</remarks>
+        string GetAssetName(string relativePath);
+
+        /// <summary>Add a relative path that was just created by a SMAPI API.</summary>
+        /// <param name="relativePath">The relative path. This must already be normalized in asset name or file path format.</param>
+        void Add(string relativePath);
+    }
+}