diff -r 7598020f5ae2 -r 64c85dc25cd4 libpurple/circularbuffer.h
--- a/libpurple/circularbuffer.h	Tue Oct 24 19:59:48 2023 -0500
+++ b/libpurple/circularbuffer.h	Tue Oct 24 23:07:23 2023 -0500
@@ -32,6 +32,8 @@
 G_BEGIN_DECLS
 
 #define PURPLE_TYPE_CIRCULAR_BUFFER (purple_circular_buffer_get_type())
+
+PURPLE_AVAILABLE_IN_3_0
 G_DECLARE_DERIVABLE_TYPE(PurpleCircularBuffer, purple_circular_buffer, PURPLE,
                          CIRCULAR_BUFFER, GObject)