refactor

include/file_manager/file_manager.hpp

@@ -117,18 +117,18 @@ public:
     i_provider &provider_;
 
   private:
-    api_error error_ = api_error::success;
+    api_error error_{api_error::success};
     mutable std::mutex error_mtx_;
-    stop_type io_stop_requested_ = false;
+    stop_type io_stop_requested_{false};
     std::unique_ptr<std::thread> io_thread_;
 
   protected:
     std::unordered_map<std::size_t, std::shared_ptr<download>>
         active_downloads_;
     mutable std::recursive_mutex file_mtx_;
-    std::atomic<std::chrono::system_clock::time_point> last_access_ =
-        std::chrono::system_clock::now();
-    bool modified_ = false;
+    std::atomic<std::chrono::system_clock::time_point> last_access_{
+        std::chrono::system_clock::now()};
+    bool modified_{false};
     native_file_ptr nf_;
     mutable std::mutex io_thread_mtx_;
     std::condition_variable io_thread_notify_;
@@ -539,9 +539,6 @@ public:
                           const open_file_data &ofd, std::uint64_t &handle,
                           std::shared_ptr<i_open_file> &f) -> api_error;
 
-  auto perform_locked_operation(locked_operation_callback locked_operation)
-      -> bool override;
-
   [[nodiscard]] auto remove_file(const std::string &api_path) -> api_error;
 
   [[nodiscard]] auto rename_directory(const std::string &from_api_path,