From b1cfbdec99b82bc00dff7e8cc00236428db1eec3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franz=20P=C3=B6schel?= <franz.poeschel@gmail.com>
Date: Fri, 17 Nov 2023 13:49:30 +0100
Subject: [PATCH] Unify struct/class

---
 include/openPMD/IO/AbstractIOHandler.hpp | 4 ++--
 include/openPMD/backend/Writable.hpp     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/openPMD/IO/AbstractIOHandler.hpp b/include/openPMD/IO/AbstractIOHandler.hpp
index 220c8632c3..71a0587b0f 100644
--- a/include/openPMD/IO/AbstractIOHandler.hpp
+++ b/include/openPMD/IO/AbstractIOHandler.hpp
@@ -171,7 +171,7 @@ namespace internal
 
 namespace detail
 {
-    class BufferedActions;
+    struct BufferedActions;
 }
 
 /** Interface for communicating between logical and physically persistent data.
@@ -186,7 +186,7 @@ class AbstractIOHandler
 {
     friend class Series;
     friend class ADIOS2IOHandlerImpl;
-    friend class detail::BufferedActions;
+    friend struct detail::BufferedActions;
 
 private:
     IterationEncoding m_encoding = IterationEncoding::groupBased;
diff --git a/include/openPMD/backend/Writable.hpp b/include/openPMD/backend/Writable.hpp
index 7bf8660e2d..7aeead3dfe 100644
--- a/include/openPMD/backend/Writable.hpp
+++ b/include/openPMD/backend/Writable.hpp
@@ -52,7 +52,7 @@ namespace internal
 } // namespace internal
 namespace detail
 {
-    class BufferedActions;
+    struct BufferedActions;
 }
 
 /** @brief Layer to mirror structure of logical data and persistent data in