Update resource manager API and objects.
diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceRequest.java b/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceRequest.java
new file mode 100644
index 0000000..2ea24b8
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/BandwidthResourceRequest.java
@@ -0,0 +1,13 @@
+package org.onlab.onos.net.resource;
+
+/**
+ * Representation of a request for bandwidth resource.
+ */
+public interface BandwidthResourceRequest {
+    /**
+     * Returns the bandwidth resource.
+     *
+     * @return the bandwidth resource
+     */
+    Bandwidth bandwidth();
+}