Fix PHPDoc

Use correct parameters

lib/private/files/storage/common.php

@@ -274,6 +274,8 @@ abstract class Common implements Storage {
 
 	/**
 	 * @param string $query
+	 * @param string $dir
+	 * @return array
 	 */
 	protected function searchInDir($query, $dir = '') {
 		$files = array();

lib/private/files/storage/local.php

@@ -282,6 +282,8 @@ if (\OC_Util::runningOnWindows()) {
 
 		/**
 		 * @param string $query
+		 * @param string $dir
+		 * @return array
 		 */
 		protected function searchInDir($query, $dir = '') {
 			$files = array();

lib/private/files/storage/localtempfiletrait.php

@@ -34,13 +34,12 @@ namespace OC\Files\Storage;
  */
 trait LocalTempFileTrait {
 
-	/**
-	 * @var string[]
-	 */
-	protected $cachedFiles = array();
+	/** @var string[] */
+	protected $cachedFiles = [];
 
 	/**
 	 * @param string $path
+	 * @return string
 	 */
 	protected function getCachedFile($path) {
 		if (!isset($this->cachedFiles[$path])) {
@@ -49,6 +48,9 @@ trait LocalTempFileTrait {
 		return $this->cachedFiles[$path];
 	}
 
+	/**
+	 * @param string $path
+	 */
 	protected function removeCachedFile($path) {
 		unset($this->cachedFiles[$path]);
 	}

lib/private/files/storage/mappedlocal.php

@@ -342,6 +342,8 @@ class MappedLocal extends \OC\Files\Storage\Common {
 
 	/**
 	 * @param string $query
+	 * @param string $dir
+	 * @return array
 	 */
 	protected function searchInDir($query, $dir = '') {
 		$files = array();

lib/private/files/storage/wrapper/encryption.php

@@ -609,6 +609,10 @@ class Encryption extends Wrapper {
 		return $encryptionModule;
 	}
 
+	/**
+	 * @param string $path
+	 * @param int $unencryptedSize
+	 */
 	public function updateUnencryptedSize($path, $unencryptedSize) {
 		$this->unencryptedSize[$path] = $unencryptedSize;
 	}