chore: Add return types

Signed-off-by: Julius Härtl <jus@bitgrid.net>

apps/files_sharing/lib/Controller/ShareInfoController.php

@@ -59,11 +59,6 @@ class ShareInfoController extends ApiController {
 	 * @PublicPage
 	 * @NoCSRFRequired
 	 * @BruteForceProtection(action=shareinfo)
-	 *
-	 * @param string $t
-	 * @param null $password
-	 * @param null $dir
-	 * @return JSONResponse
 	 */
 	public function info(string $t, ?string $password = null, ?string $dir = null, int $depth = -1): JSONResponse {
 		try {
@@ -99,18 +94,19 @@ class ShareInfoController extends ApiController {
 		return new JSONResponse($this->parseNode($node, $permissionMask, $depth));
 	}
 
-	private function parseNode(Node $node, int $permissionMask, int $depth) {
+	private function parseNode(Node $node, int $permissionMask, int $depth): array {
 		if ($node instanceof File) {
 			return $this->parseFile($node, $permissionMask);
 		}
+		/** @var Folder $node */
 		return $this->parseFolder($node, $permissionMask, $depth);
 	}
 
-	private function parseFile(File $file, int $permissionMask) {
+	private function parseFile(File $file, int $permissionMask): array {
 		return $this->format($file, $permissionMask);
 	}
 
-	private function parseFolder(Folder $folder, int $permissionMask, int $depth) {
+	private function parseFolder(Folder $folder, int $permissionMask, int $depth): array {
 		$data = $this->format($folder, $permissionMask);
 
 		if ($depth === 0) {
@@ -127,7 +123,7 @@ class ShareInfoController extends ApiController {
 		return $data;
 	}
 
-	private function format(Node $node, int $permissionMask) {
+	private function format(Node $node, int $permissionMask): array {
 		$entry = [];
 
 		$entry['id'] = $node->getId();