--- /dev/null
+#ifndef BUFFER_FWD_H
+#define BUFFER_FWD_H
+
+namespace ceph {
+ namespace buffer {
+ class ptr;
+ class list;
+ class hash;
+ }
+
+ using bufferptr = buffer::ptr;
+ using bufferlist = buffer::list;
+ using bufferhash = buffer::hash;
+}
+
+#endif
+