diff --git a/services/web/test/frontend/helpers/editor-providers.js b/services/web/test/frontend/helpers/editor-providers.js
index c81c921d3b..9798dbe8d3 100644
--- a/services/web/test/frontend/helpers/editor-providers.js
+++ b/services/web/test/frontend/helpers/editor-providers.js
@@ -55,6 +55,13 @@ export function EditorProviders({
     getCurrentDocValue: () => {},
     openDoc: sinon.stub(),
   },
+  metadataManager = {
+    metadata: {
+      state: {
+        documents: {},
+      },
+    },
+  },
 }) {
   window.user = user || window.user
   window.gitBridgePublicBaseUrl = 'git.overleaf.test'
@@ -86,14 +93,6 @@ export function EditorProviders({
     ...scope,
   }
 
-  const metadataManager = {
-    metadata: {
-      state: {
-        documents: {},
-      },
-    },
-  }
-
   window._ide = {
     $scope,
     socket,
diff --git a/services/web/types/doc.ts b/services/web/types/doc.ts
new file mode 100644
index 0000000000..ee2bcac004
--- /dev/null
+++ b/services/web/types/doc.ts
@@ -0,0 +1,4 @@
+export type Doc = {
+  _id: string
+  name: string
+}
diff --git a/services/web/types/fileref.ts b/services/web/types/fileref.ts
new file mode 100644
index 0000000000..80fd2bbeab
--- /dev/null
+++ b/services/web/types/fileref.ts
@@ -0,0 +1,4 @@
+export type FileRef = {
+  _id: string
+  name: string
+}
diff --git a/services/web/types/folder.ts b/services/web/types/folder.ts
index ee12a87a55..34c64c35aa 100644
--- a/services/web/types/folder.ts
+++ b/services/web/types/folder.ts
@@ -1,7 +1,10 @@
+import { Doc } from './doc'
+import { FileRef } from './fileref'
+
 export type Folder = {
   _id: string
   name: string
-  docs: []
-  folders: []
-  fileRefs: []
+  docs: Doc[]
+  folders: Folder[]
+  fileRefs: FileRef[]
 }
diff --git a/services/web/types/metadata.ts b/services/web/types/metadata.ts
new file mode 100644
index 0000000000..4690615f01
--- /dev/null
+++ b/services/web/types/metadata.ts
@@ -0,0 +1,18 @@
+type Package = {
+  caption: string
+  meta: string
+  score: number
+  snippet: string
+}
+
+export type Metadata = {
+  state: {
+    documents: Record<
+      string,
+      {
+        labels: string[]
+        packages: Record<string, Package[]>
+      }
+    >
+  }
+}