diff -r 2c3cc4b01880 -r c16ac7a2eba4 src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/JdkJfrConsumer.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/consumer/JdkJfrConsumer.java	Wed Oct 30 19:43:52 2019 +0100
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2019, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package jdk.jfr.internal.consumer;
+
+import java.io.IOException;
+import java.util.Comparator;
+import java.util.List;
+
+import jdk.jfr.consumer.RecordedClass;
+import jdk.jfr.consumer.RecordedClassLoader;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.jfr.consumer.RecordedFrame;
+import jdk.jfr.consumer.RecordedMethod;
+import jdk.jfr.consumer.RecordedObject;
+import jdk.jfr.consumer.RecordedStackTrace;
+import jdk.jfr.consumer.RecordedThread;
+import jdk.jfr.consumer.RecordedThreadGroup;
+import jdk.jfr.consumer.RecordingFile;
+import jdk.jfr.internal.Type;
+/*
+ * Purpose of this class is to give package private access to
+ * the jdk.jfr.consumer package
+ */
+public abstract class JdkJfrConsumer {
+
+    private static JdkJfrConsumer instance;
+
+    // Initialization will trigger setAccess being called
+    private static void forceInitializetion() {
+        try {
+            Class<?> c = RecordedObject.class;
+            Class.forName(c.getName(), true, c.getClassLoader());
+        } catch (ClassNotFoundException e) {
+            throw new InternalError("Should not happen");
+        }
+    }
+
+    public static void setAccess(JdkJfrConsumer access) {
+        instance = access;
+    }
+
+    public static JdkJfrConsumer instance() {
+        if (instance == null) {
+            forceInitializetion();
+        }
+        return instance;
+    }
+
+    public abstract List<Type> readTypes(RecordingFile file) throws IOException;
+
+    public abstract boolean isLastEventInChunk(RecordingFile file);
+
+    public abstract Object getOffsetDataTime(RecordedObject event, String name);
+
+    public abstract RecordedClass newRecordedClass(ObjectContext objectContext, long id, Object[] values);
+
+    public abstract RecordedClassLoader newRecordedClassLoader(ObjectContext objectContext, long id, Object[] values);
+
+    public abstract RecordedStackTrace newRecordedStackTrace(ObjectContext objectContext, Object[] values);
+
+    public abstract RecordedThreadGroup newRecordedThreadGroup(ObjectContext objectContext, Object[] values);
+
+    public abstract RecordedFrame newRecordedFrame(ObjectContext objectContext, Object[] values);
+
+    public abstract RecordedThread newRecordedThread(ObjectContext objectContext, long id, Object[] values);
+
+    public abstract RecordedMethod newRecordedMethod(ObjectContext objectContext, Object[] values);
+
+    public abstract RecordedEvent newRecordedEvent(ObjectContext objectContext, Object[] objects, long l, long m);
+
+    public abstract Comparator<? super RecordedEvent> eventComparator();
+
+    public abstract void setStartTicks(RecordedEvent event, long startTicks);
+
+    public abstract void setEndTicks(RecordedEvent event, long endTicks);
+
+    public abstract Object[] eventValues(RecordedEvent event);
+}