refcount debugging
diff --git a/src/core/client_config/lb_policy.h b/src/core/client_config/lb_policy.h
index 42be915..dcefa6e 100644
--- a/src/core/client_config/lb_policy.h
+++ b/src/core/client_config/lb_policy.h
@@ -85,4 +85,6 @@
                          grpc_subchannel **target,
                          grpc_iomgr_closure *on_complete);
 
+void grpc_lb_policy_broadcast(grpc_lb_policy *policy, grpc_transport_op *op);
+
 #endif /* GRPC_INTERNAL_CORE_CONFIG_LB_POLICY_H */