stats reply in progress
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java b/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
index 661b195..dc7b01e2b 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
@@ -29,4 +29,13 @@
      */
     void flowAdded(FlowRule flowRule);
 
+    /**
+     * Pushes the collection of flow entries currently applied on the given
+     * device.
+     *
+     * @param deviceId device identifier
+     * @return collection of flow entries
+     */
+    void pushFlowMetrics(Iterable<FlowEntry> flowEntries);
+
 }