diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index f827190..d51fee9 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@pushrocks/smartarchive',
-  version: '3.0.3',
+  version: '3.0.4',
   description: 'work with archives'
 }
diff --git a/ts/smartarchive.classes.smartarchive.ts b/ts/smartarchive.classes.smartarchive.ts
index f0e2d73..bcdceb1 100644
--- a/ts/smartarchive.classes.smartarchive.ts
+++ b/ts/smartarchive.classes.smartarchive.ts
@@ -91,4 +91,22 @@ export class SmartArchive {
     const replaySubject = this.extractArchiveFromBufferToObservable(response.body);
     return replaySubject;
   }
+
+  // TODO
+  public async extractArchiveFromUrlToStream() {}
+
+  // TODO
+  public async extractArchiveFromFsToStream() {}
+
+  // TODO
+  public async extractArchiveFromStreamToStream() {}
+
+  // TODO
+  public async packFromStreamToStream() {}
+
+  // TODO
+  public async packFromFsToStream() {}
+
+  // TODO
+  public async packFromFsToFs() {}
 }