refactor

include/file_manager/i_file_manager.hpp

@@ -30,9 +30,6 @@ class i_provider;
 class i_file_manager {
   INTERFACE_SETUP(i_file_manager);
 
-public:
-  using locked_operation_callback = std::function<bool(i_provider &)>;
-
 public:
   [[nodiscard]] virtual auto evict_file(const std::string &api_path)
       -> bool = 0;
@@ -49,10 +46,6 @@ public:
   [[nodiscard]] virtual auto is_processing(const std::string &api_path) const
       -> bool = 0;
 
-  virtual auto
-  perform_locked_operation(locked_operation_callback locked_operation)
-      -> bool = 0;
-
   virtual void update_used_space(std::uint64_t &used_space) const = 0;
 };
 } // namespace repertory