diff --git a/lib/files/file.ts b/lib/files/file.ts
index 8f948a5d..dfc3d064 100644
--- a/lib/files/file.ts
+++ b/lib/files/file.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 import { FileType } from './fileType'
-import { Node } from './node'
+import { type INode, Node } from './node'
 
 export class File extends Node {
 
@@ -12,3 +12,10 @@ export class File extends Node {
 	}
 
 }
+
+/**
+ * Interface of the File class
+ */
+export interface IFile extends INode {
+	readonly type: FileType.File
+}
diff --git a/lib/files/folder.ts b/lib/files/folder.ts
index 7019f1a7..940612d7 100644
--- a/lib/files/folder.ts
+++ b/lib/files/folder.ts
@@ -3,8 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 import { FileType } from './fileType'
-import { Node } from './node'
-import { NodeData } from './nodeData'
+import { type INode, Node } from './node'
+import { type NodeData } from './nodeData'
 
 export class Folder extends Node {
 
@@ -29,3 +29,12 @@ export class Folder extends Node {
 	}
 
 }
+
+/**
+ * Interface of the folder class
+ */
+export interface IFolder extends INode {
+	readonly type: FileType.Folder
+	readonly extension: null
+	readonly mime: 'httpd/unix-directory'
+}
diff --git a/lib/files/node.ts b/lib/files/node.ts
index 4f3260e0..e933bb74 100644
--- a/lib/files/node.ts
+++ b/lib/files/node.ts
@@ -358,3 +358,8 @@ export abstract class Node {
 	}
 
 }
+
+/**
+ * Interface of the node class
+ */
+export type INode = Pick<Node, keyof Node>
diff --git a/lib/index.ts b/lib/index.ts
index a44c1e86..273c12d1 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -16,9 +16,9 @@ export * from './dav/davPermissions'
 export * from './dav/dav'
 
 export { FileType } from './files/fileType'
-export { File } from './files/file'
-export { Folder } from './files/folder'
-export { Node, NodeStatus } from './files/node'
+export { File, type IFile } from './files/file'
+export { Folder, type IFolder } from './files/folder'
+export { Node, NodeStatus, type INode } from './files/node'
 
 export { isFilenameValid, getUniqueName } from './utils/filename'
 export { formatFileSize, parseFileSize } from './utils/fileSize'
diff --git a/lib/navigation/column.ts b/lib/navigation/column.ts
index 5efbbb69..dcdb038b 100644
--- a/lib/navigation/column.ts
+++ b/lib/navigation/column.ts
@@ -2,8 +2,8 @@
  * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-import { View } from './view'
-import { Node } from '../files/node'
+import type { Node } from '../files/node'
+import type { View } from './view'
 
 interface ColumnData {
 	/** Unique column ID */
diff --git a/lib/navigation/navigation.ts b/lib/navigation/navigation.ts
index e2e04482..79fbea9a 100644
--- a/lib/navigation/navigation.ts
+++ b/lib/navigation/navigation.ts
@@ -2,7 +2,7 @@
  * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-import { View } from './view'
+import type { View } from './view'
 import logger from '../utils/logger'
 
 export class Navigation {
diff --git a/lib/utils/fileSorting.ts b/lib/utils/fileSorting.ts
index 1b1d7959..16e0ff3f 100644
--- a/lib/utils/fileSorting.ts
+++ b/lib/utils/fileSorting.ts
@@ -2,7 +2,7 @@
  * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-import type { Node } from '../files/node'
+import type { INode } from '../files/node'
 import { orderBy } from './sorting'
 
 export enum FilesSortingMode {
@@ -41,7 +41,7 @@ export interface FilesSortingOptions {
  * @param nodes Nodes to sort
  * @param options Sorting options
  */
-export function sortNodes(nodes: readonly Node[], options: FilesSortingOptions = {}): Node[] {
+export function sortNodes(nodes: readonly INode[], options: FilesSortingOptions = {}): INode[] {
 	const sortingOptions = {
 		// Default to sort by name
 		sortingMode: FilesSortingMode.Name,
@@ -58,15 +58,15 @@ export function sortNodes(nodes: readonly Node[], options: FilesSortingOptions =
 
 	const identifiers = [
 		// 1: Sort favorites first if enabled
-		...(sortingOptions.sortFavoritesFirst ? [(v: Node) => v.attributes?.favorite !== 1] : []),
+		...(sortingOptions.sortFavoritesFirst ? [(v: INode) => v.attributes?.favorite !== 1] : []),
 		// 2: Sort folders first if sorting by name
-		...(sortingOptions.sortFoldersFirst ? [(v: Node) => v.type !== 'folder'] : []),
+		...(sortingOptions.sortFoldersFirst ? [(v: INode) => v.type !== 'folder'] : []),
 		// 3: Use sorting mode if NOT basename (to be able to use displayName too)
-		...(sortingOptions.sortingMode !== FilesSortingMode.Name ? [(v: Node) => v[sortingOptions.sortingMode]] : []),
+		...(sortingOptions.sortingMode !== FilesSortingMode.Name ? [(v: INode) => v[sortingOptions.sortingMode]] : []),
 		// 4: Use displayName if available, fallback to name
-		(v: Node) => basename(v.attributes?.displayName || v.basename),
+		(v: INode) => basename(v.attributes?.displayName || v.basename),
 		// 5: Finally, use basename if all previous sorting methods failed
-		(v: Node) => v.basename,
+		(v: INode) => v.basename,
 	]
 	const orders = [
 		// (for 1): always sort favorites before normal files