diff --git a/lib/private/Files/Storage/Common.php b/lib/private/Files/Storage/Common.php
index a7bc44e10e2..36281d74cf5 100644
--- a/lib/private/Files/Storage/Common.php
+++ b/lib/private/Files/Storage/Common.php
@@ -477,7 +477,7 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage {
 	 * get the free space in the storage
 	 *
 	 * @param string $path
-	 * @return int|false
+	 * @return int|float|false
 	 */
 	public function free_space($path) {
 		return \OCP\Files\FileInfo::SPACE_UNKNOWN;
@@ -523,7 +523,6 @@ abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage {
 	 * @throws InvalidPathException
 	 */
 	public function verifyPath($path, $fileName) {
-
 		// verify empty and dot files
 		$trimmed = trim($fileName);
 		if ($trimmed === '') {
diff --git a/lib/private/Files/Storage/DAV.php b/lib/private/Files/Storage/DAV.php
index 132e3d257aa..a3cd187e7b2 100644
--- a/lib/private/Files/Storage/DAV.php
+++ b/lib/private/Files/Storage/DAV.php
@@ -486,7 +486,7 @@ class DAV extends Common {
 	/**
 	 * @param string $path
 	 * @param mixed $data
-	 * @return int|false
+	 * @return int|float|false
 	 */
 	public function file_put_contents($path, $data) {
 		$path = $this->cleanPath($path);
diff --git a/lib/private/Files/Storage/Wrapper/Encoding.php b/lib/private/Files/Storage/Wrapper/Encoding.php
index ac9cc248ce6..65c52d3b793 100644
--- a/lib/private/Files/Storage/Wrapper/Encoding.php
+++ b/lib/private/Files/Storage/Wrapper/Encoding.php
@@ -40,7 +40,6 @@ use OCP\ICache;
  * the actual given name and then try its NFD form.
  */
 class Encoding extends Wrapper {
-
 	/**
 	 * @var ICache
 	 */
@@ -213,7 +212,7 @@ class Encoding extends Wrapper {
 	 * The result for filesize when called on a folder is required to be 0
 	 *
 	 * @param string $path
-	 * @return int|bool
+	 * @return int|float|bool
 	 */
 	public function filesize($path) {
 		return $this->storage->filesize($this->findPathToUse($path));
@@ -315,7 +314,7 @@ class Encoding extends Wrapper {
 	 *
 	 * @param string $path
 	 * @param mixed $data
-	 * @return int|false
+	 * @return int|float|false
 	 */
 	public function file_put_contents($path, $data) {
 		return $this->storage->file_put_contents($this->findPathToUse($path), $data);
@@ -400,7 +399,7 @@ class Encoding extends Wrapper {
 	 * see https://www.php.net/manual/en/function.free_space.php
 	 *
 	 * @param string $path
-	 * @return int|bool
+	 * @return int|float|bool
 	 */
 	public function free_space($path) {
 		return $this->storage->free_space($this->findPathToUse($path));
diff --git a/lib/private/Files/Storage/Wrapper/Jail.php b/lib/private/Files/Storage/Wrapper/Jail.php
index 65ee6f1181a..b817073d2e0 100644
--- a/lib/private/Files/Storage/Wrapper/Jail.php
+++ b/lib/private/Files/Storage/Wrapper/Jail.php
@@ -160,7 +160,7 @@ class Jail extends Wrapper {
 	 * The result for filesize when called on a folder is required to be 0
 	 *
 	 * @param string $path
-	 * @return int|bool
+	 * @return int|float|bool
 	 */
 	public function filesize($path) {
 		return $this->getWrapperStorage()->filesize($this->getUnjailedPath($path));
@@ -262,7 +262,7 @@ class Jail extends Wrapper {
 	 *
 	 * @param string $path
 	 * @param mixed $data
-	 * @return int|false
+	 * @return int|float|false
 	 */
 	public function file_put_contents($path, $data) {
 		return $this->getWrapperStorage()->file_put_contents($this->getUnjailedPath($path), $data);
@@ -338,7 +338,7 @@ class Jail extends Wrapper {
 	 * see https://www.php.net/manual/en/function.free_space.php
 	 *
 	 * @param string $path
-	 * @return int|bool
+	 * @return int|float|bool
 	 */
 	public function free_space($path) {
 		return $this->getWrapperStorage()->free_space($this->getUnjailedPath($path));
diff --git a/lib/private/LargeFileHelper.php b/lib/private/LargeFileHelper.php
index 82b3c5ae760..6db79a795fe 100755
--- a/lib/private/LargeFileHelper.php
+++ b/lib/private/LargeFileHelper.php
@@ -95,7 +95,7 @@ class LargeFileHelper {
 	 *
 	 * @param string $filename Path to the file.
 	 *
-	 * @return null|int|float Number of bytes as number (float or int) or
+	 * @return int|float Number of bytes as number (float or int) or
 	 *                        null on failure.
 	 */
 	public function getFileSize($filename) {