Fix return types in phpdoc

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

lib/private/Files/Cache/Cache.php

@@ -901,7 +901,7 @@ class Cache implements ICache {
 	 *
 	 * @param string $path
 	 * @param array|null|ICacheEntry $entry (optional) meta data of the folder
-	 * @return int
+	 * @return int|float
 	 */
 	public function calculateFolderSize($path, $entry = null) {
 		return $this->calculateFolderSizeInner($path, $entry);

lib/private/Files/Cache/HomeCache.php

@@ -36,7 +36,7 @@ class HomeCache extends Cache {
 	 *
 	 * @param string $path
 	 * @param array|null|ICacheEntry $entry (optional) meta data of the folder
-	 * @return int
+	 * @return int|float
 	 */
 	public function calculateFolderSize($path, $entry = null) {
 		if ($path !== '/' and $path !== '' and $path !== 'files' and $path !== 'files_trashbin' and $path !== 'files_versions') {

lib/private/Files/Cache/Scanner.php

@@ -386,7 +386,7 @@ class Scanner extends BasicEmitter implements IScanner {
 	 * @param int $folderId id for the folder to be scanned
 	 * @param bool $lock set to false to disable getting an additional read lock during scanning
 	 * @param array $data the data of the folder before (re)scanning the children
-	 * @return int the size of the scanned folder or -1 if the size is unknown at this stage
+	 * @return int|float the size of the scanned folder or -1 if the size is unknown at this stage
 	 */
 	protected function scanChildren($path, $recursive = self::SCAN_RECURSIVE, $reuse = -1, $folderId = null, $lock = true, array $data = []) {
 		if ($reuse === -1) {

lib/private/Files/Cache/Wrapper/CacheJail.php

@@ -240,7 +240,7 @@ class CacheJail extends CacheWrapper {
 	 *
 	 * @param string $path
 	 * @param array|null|ICacheEntry $entry (optional) meta data of the folder
-	 * @return int
+	 * @return int|float
 	 */
 	public function calculateFolderSize($path, $entry = null) {
 		if ($this->getCache() instanceof Cache) {

lib/private/Files/Cache/Wrapper/CacheWrapper.php

@@ -250,7 +250,7 @@ class CacheWrapper extends Cache {
 	 *
 	 * @param string $path
 	 * @param array|null|ICacheEntry $entry (optional) meta data of the folder
-	 * @return int
+	 * @return int|float
 	 */
 	public function calculateFolderSize($path, $entry = null) {
 		if ($this->getCache() instanceof Cache) {