--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/MirrorEvent.java	Wed Oct 31 02:10:21 2018 +0100
@@ -0,0 +1,25 @@
+package jdk.jfr.internal;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.ElementType;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ ElementType.TYPE })
+public @interface MirrorEvent {
+    /**
+     * Fully qualified name of the class to mirror metadata for (for example,
+     * {@code "jdk.internal.event.Example"})
+     *
+     * @return the fully qualified class name of the event
+     */
+    String className();
+
+    /**
+     * The module where the event is located, by default {@code "java.base"}.
+     *
+     * @return the module name
+     */
+    String module() default "java.base";
+}