--- /dev/null	2019-02-13 16:01:02.292000000 +0300
+++ new/src/share/vm/jfr/recorder/checkpoint/types/jfrType.hpp	2019-02-15 19:03:14.893526252 +0300
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_JFR_CHECKPOINT_TYPES_JFRTYPE_HPP
+#define SHARE_VM_JFR_CHECKPOINT_TYPES_JFRTYPE_HPP
+
+#include "jfr/metadata/jfrSerializer.hpp"
+
+class JfrThreadConstantSet : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class JfrThreadGroupConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class ClassUnloadTypeSet : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class FlagValueOriginConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class MonitorInflateCauseConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class GCCauseConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class GCNameConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class GCWhenConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class G1HeapRegionTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class GCThresholdUpdaterConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class MetadataTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class MetaspaceObjectTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class G1YCTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class ReferenceTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class NarrowOopModeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class CompilerPhaseTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class CodeBlobTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class VMOperationTypeConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class TypeSet : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class ThreadStateConstant : public JfrSerializer {
+ public:
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+class JfrThreadConstant : public JfrSerializer {
+ private:
+  JavaThread* _thread;
+ public:
+  JfrThreadConstant(JavaThread* jt) : _thread(jt) {}
+  void serialize(JfrCheckpointWriter& writer);
+};
+
+#endif // SHARE_VM_JFR_CHECKPOINT_CONSTANT_JFRCONSTANT_HPP