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diff --git a/src/ceph/src/cls/timeindex/cls_timeindex_client.h b/src/ceph/src/cls/timeindex/cls_timeindex_client.h
new file mode 100644
index 0000000..30efccd
--- /dev/null
+++ b/src/ceph/src/cls/timeindex/cls_timeindex_client.h
@@ -0,0 +1,99 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_CLS_TIMEINDEX_CLIENT_H
+#define CEPH_CLS_TIMEINDEX_CLIENT_H
+
+#include "include/rados/librados.hpp"
+
+#include "cls_timeindex_ops.h"
+
+namespace librados {
+  class ObjectWriteOperation;
+  class ObjectReadOperation;
+  class IoCtx;
+}
+
+/**
+ * timeindex objclass
+ */
+class TimeindexListCtx : public librados::ObjectOperationCompletion {
+  std::list<cls_timeindex_entry> *entries;
+  std::string *marker;
+  bool *truncated;
+
+public:
+  ///* ctor
+  TimeindexListCtx(
+    std::list<cls_timeindex_entry> *_entries,
+    std::string *_marker,
+    bool *_truncated)
+    : entries(_entries), marker(_marker), truncated(_truncated) {}
+
+  ///* dtor
+  ~TimeindexListCtx() {}
+
+  void handle_completion(int r, bufferlist& bl) override {
+    if (r >= 0) {
+      cls_timeindex_list_ret ret;
+      try {
+        bufferlist::iterator iter = bl.begin();
+        ::decode(ret, iter);
+        if (entries)
+          *entries = ret.entries;
+        if (truncated)
+          *truncated = ret.truncated;
+        if (marker)
+          *marker = ret.marker;
+      } catch (buffer::error& err) {
+        // nothing we can do about it atm
+      }
+    }
+  }
+};
+
+void cls_timeindex_add_prepare_entry(
+  cls_timeindex_entry& entry,
+  const utime_t& key_timestamp,
+  const std::string& key_ext,
+  bufferlist& bl);
+
+void cls_timeindex_add(
+  librados::ObjectWriteOperation& op,
+  const std::list<cls_timeindex_entry>& entry);
+
+void cls_timeindex_add(
+  librados::ObjectWriteOperation& op,
+  const cls_timeindex_entry& entry);
+
+void cls_timeindex_add(
+  librados::ObjectWriteOperation& op,
+  const utime_t& timestamp,
+  const std::string& name,
+  const bufferlist& bl);
+
+void cls_timeindex_list(
+  librados::ObjectReadOperation& op,
+  const utime_t& from,
+  const utime_t& to,
+  const std::string& in_marker,
+  const int max_entries,
+  std::list<cls_timeindex_entry>& entries,
+  std::string *out_marker,
+  bool *truncated);
+
+void cls_timeindex_trim(
+  librados::ObjectWriteOperation& op,
+  const utime_t& from_time,
+  const utime_t& to_time,
+  const std::string& from_marker = std::string(),
+  const std::string& to_marker = std::string());
+
+int cls_timeindex_trim(
+  librados::IoCtx& io_ctx,
+  const std::string& oid,
+  const utime_t& from_time,
+  const utime_t& to_time,
+  const std::string& from_marker = std::string(),
+  const std::string& to_marker = std::string());
+#endif