fix(IStorage): Use false instead of bool intersection type to match implementations

apps/dav/tests/unit/Connector/Sabre/DirectoryTest.php

@@ -283,8 +283,8 @@ public function testGetQuotaInfoUnlimited(): void {
 		$storage->expects($this->any())
 			->method('instanceOfStorage')
 			->willReturnMap([
-				'\OCA\Files_Sharing\SharedStorage' => false,
-				'\OC\Files\Storage\Wrapper\Quota' => false,
+				['\OCA\Files_Sharing\SharedStorage', false],
+				['\OC\Files\Storage\Wrapper\Quota', false],
 			]);
 
 		$storage->expects($this->once())

apps/files_external/lib/Lib/Storage/AmazonS3.php

@@ -28,7 +28,7 @@
 
 	private LoggerInterface $logger;
 
-	public function needsPartFile() {
+	public function needsPartFile(): bool {
 		return false;
 	}
 
@@ -63,7 +63,7 @@
 	 * @param string $path
 	 * @return string correctly encoded path
 	 */
-	private function normalizePath($path) {
+	private function normalizePath($path): string {
 		$path = trim($path, '/');
 
 		if (!$path) {
@@ -73,24 +73,24 @@
 		return $path;
 	}
 
-	private function isRoot($path) {
+	private function isRoot($path): bool {
 		return $path === '.';
 	}
 
-	private function cleanKey($path) {
+	private function cleanKey($path): string {
 		if ($this->isRoot($path)) {
 			return '/';
 		}
 		return $path;
 	}
 
-	private function clearCache() {
+	private function clearCache(): void {
 		$this->objectCache = new CappedMemoryCache();
 		$this->directoryCache = new CappedMemoryCache();
 		$this->filesCache = new CappedMemoryCache();
 	}
 
-	private function invalidateCache($key) {
+	private function invalidateCache($key): void {
 		unset($this->objectCache[$key]);
 		$keys = array_keys($this->objectCache->getData());
 		$keyLength = strlen($key);
@@ -110,10 +110,7 @@
 		unset($this->directoryCache[$key]);
 	}
 
-	/**
-	 * @return array|false
-	 */
-	private function headObject(string $key) {
+	private function headObject(string $key): array|false {
 		if (!isset($this->objectCache[$key])) {
 			try {
 				$this->objectCache[$key] = $this->getConnection()->headObject([
@@ -144,11 +141,9 @@
 	 * Implementation from flysystem-aws-s3-v3:
 	 * https://github.com/thephpleague/flysystem-aws-s3-v3/blob/8241e9cc5b28f981e0d24cdaf9867f14c7498ae4/src/AwsS3Adapter.php#L670-L694
 	 *
-	 * @param $path
-	 * @return bool
 	 * @throws \Exception
 	 */
-	private function doesDirectoryExist($path) {
+	private function doesDirectoryExist($path): bool {
 		if ($path === '.' || $path === '') {
 			return true;
 		}
@@ -190,13 +185,7 @@
 		return false;
 	}
 
-	/**
-	 * Remove a file or folder
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	protected function remove($path) {
+	protected function remove($path): bool {
 		// remember fileType to reduce http calls
 		$fileType = $this->filetype($path);
 		if ($fileType === 'dir') {
@@ -208,7 +197,7 @@
 		}
 	}
 
-	public function mkdir($path) {
+	public function mkdir($path): bool {
 		$path = $this->normalizePath($path);
 
 		if ($this->is_dir($path)) {
@@ -236,12 +225,12 @@
 		return true;
 	}
 
-	public function file_exists($path) {
+	public function file_exists($path): bool {
 		return $this->filetype($path) !== false;
 	}
 
 
-	public function rmdir($path) {
+	public function rmdir($path): bool {
 		$path = $this->normalizePath($path);
 
 		if ($this->isRoot($path)) {
@@ -256,12 +245,12 @@
 		return $this->batchDelete($path);
 	}
 
-	protected function clearBucket() {
+	protected function clearBucket(): bool {
 		$this->clearCache();
 		return $this->batchDelete();
 	}
 
-	private function batchDelete($path = null) {
+	private function batchDelete($path = null): bool {
 		// TODO explore using https://docs.aws.amazon.com/aws-sdk-php/v3/api/class-Aws.S3.BatchDelete.html
 		$params = [
 			'Bucket' => $this->bucket
@@ -312,7 +301,7 @@
 		}
 	}
 
-	public function stat($path) {
+	public function stat($path): array|false {
 		$path = $this->normalizePath($path);
 
 		if ($this->is_dir($path)) {
@@ -334,11 +323,8 @@
 	 *
 	 * When the information is already present (e.g. opendir has been called before)
 	 * this value is return. Otherwise a headObject is emitted.
-	 *
-	 * @param $path
-	 * @return int|mixed
 	 */
-	private function getContentLength($path) {
+	private function getContentLength($path): int {
 		if (isset($this->filesCache[$path])) {
 			return (int)$this->filesCache[$path]['ContentLength'];
 		}
@@ -356,11 +342,8 @@
 	 *
 	 * When the information is already present (e.g. opendir has been called before)
 	 * this value is return. Otherwise a headObject is emitted.
-	 *
-	 * @param $path
-	 * @return mixed|string
 	 */
-	private function getLastModified($path) {
+	private function getLastModified($path): string {
 		if (isset($this->filesCache[$path])) {
 			return $this->filesCache[$path]['LastModified'];
 		}
@@ -373,7 +356,7 @@
 		return 'now';
 	}
 
-	public function is_dir($path) {
+	public function is_dir($path): bool {
 		$path = $this->normalizePath($path);
 
 		if (isset($this->filesCache[$path])) {
@@ -391,7 +374,7 @@
 		}
 	}
 
-	public function filetype($path) {
+	public function filetype($path): string|false {
 		$path = $this->normalizePath($path);
 
 		if ($this->isRoot($path)) {
@@ -419,15 +402,15 @@
 		return false;
 	}
 
-	public function getPermissions($path) {
+	public function getPermissions($path): int {
 		$type = $this->filetype($path);
 		if (!$type) {
 			return 0;
 		}
 		return $type === 'dir' ? Constants::PERMISSION_ALL : Constants::PERMISSION_ALL - Constants::PERMISSION_CREATE;
 	}
 
-	public function unlink($path) {
+	public function unlink($path): bool {
 		$path = $this->normalizePath($path);
 
 		if ($this->is_dir($path)) {
@@ -506,7 +489,7 @@
 		return false;
 	}
 
-	public function touch($path, $mtime = null) {
+	public function touch($path, $mtime = null): bool {
 		if (is_null($mtime)) {
 			$mtime = time();
 		}
@@ -541,7 +524,7 @@
 		return true;
 	}
 
-	public function copy($source, $target, $isFile = null) {
+	public function copy($source, $target, $isFile = null): bool {
 		$source = $this->normalizePath($source);
 		$target = $this->normalizePath($target);
 
@@ -584,7 +567,7 @@
 		return true;
 	}
 
-	public function rename($source, $target) {
+	public function rename($source, $target): bool {
 		$source = $this->normalizePath($source);
 		$target = $this->normalizePath($target);
 
@@ -611,18 +594,18 @@
 		return true;
 	}
 
-	public function test() {
+	public function test(): bool {
 		$this->getConnection()->headBucket([
 			'Bucket' => $this->bucket
 		]);
 		return true;
 	}
 
-	public function getId() {
+	public function getId(): string {
 		return $this->id;
 	}
 
-	public function writeBack($tmpFile, $path) {
+	public function writeBack($tmpFile, $path): bool {
 		try {
 			$source = fopen($tmpFile, 'r');
 			$this->writeObject($path, $source, $this->mimeDetector->detectPath($path));
@@ -642,7 +625,7 @@
 	/**
 	 * check if curl is installed
 	 */
-	public static function checkDependencies() {
+	public static function checkDependencies(): bool {
 		return true;
 	}
 
@@ -743,7 +726,7 @@
 		}
 	}
 
-	public function hasUpdated($path, $time) {
+	public function hasUpdated($path, $time): bool {
 		// for files we can get the proper mtime
 		if ($path !== '' && $object = $this->headObject($path)) {
 			$stat = $this->objectToMetaData($object);