diff --git a/BinaryObjectScanner.Interfaces/IDetectable.cs b/BinaryObjectScanner.Interfaces/IDetectable.cs
new file mode 100644
index 00000000..56ebd3b5
--- /dev/null
+++ b/BinaryObjectScanner.Interfaces/IDetectable.cs
@@ -0,0 +1,28 @@
+using System.IO;
+
+namespace BinaryObjectScanner.Interfaces
+{
+    /// <summary>
+    /// Mark a file type as being able to be detected
+    /// </summary>
+    public interface IDetectable
+    {
+        /// <summary>
+        /// Check if a file is detected as this file type
+        /// </summary>
+        /// <param name="file">Path to the input file</param>
+        /// <param name="includeDebug">True to include debug data, false otherwise</param>
+        /// <returns>Detected file or protection type, null on error</returns>
+        /// <remarks>Ideally, this should just point to the other detect implementation.</remarks>
+        string Detect(string file, bool includeDebug);
+
+        /// <summary>
+        /// Check if a stream is detected as this file type
+        /// </summary>
+        /// <param name="stream">Stream representing the input file</param>
+        /// <param name="file">Path to the input file</param>
+        /// <param name="includeDebug">True to include debug data, false otherwise</param>
+        /// <returns>Detected file or protection type, null on error</returns>
+        string Detect(Stream stream, string file, bool includeDebug);
+    }
+}
diff --git a/BinaryObjectScanner.Interfaces/IExtractable.cs b/BinaryObjectScanner.Interfaces/IExtractable.cs
index d8dceabc..ad7d062a 100644
--- a/BinaryObjectScanner.Interfaces/IExtractable.cs
+++ b/BinaryObjectScanner.Interfaces/IExtractable.cs
@@ -5,11 +5,10 @@ namespace BinaryObjectScanner.Interfaces
     /// <summary>
     /// Mark a file type as being able to be extracted
     /// </summary>
-    /// TODO: Add debug flag to both of the declarations
     public interface IExtractable
     {
         /// <summary>
-        /// Scan a file for all internal protections
+        /// Extract a file to a temporary path, if possible
         /// </summary>
         /// <param name="file">Path to the input file</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
@@ -18,7 +17,7 @@ namespace BinaryObjectScanner.Interfaces
         string Extract(string file, bool includeDebug);
 
         /// <summary>
-        /// Scan a stream for all internal protections
+        /// Extract a stream to a temporary path, if possible
         /// </summary>
         /// <param name="stream">Stream representing the input file</param>
         /// <param name="file">Path to the input file</param>