[ONOS-4350] Inter file linking implementation and inter-jar linking framework

Change-Id: I71a26ba3e0b9d17261e78a9313fe7f047195932e
diff --git a/src/test/resources/hierarchicalintrawithinterfiletype/ietf-network.yang b/src/test/resources/hierarchicalintrawithinterfiletype/ietf-network.yang
new file mode 100644
index 0000000..e35d0f5
--- /dev/null
+++ b/src/test/resources/hierarchicalintrawithinterfiletype/ietf-network.yang
@@ -0,0 +1,22 @@
+   module ietf-network {
+     yang-version 1;
+     namespace "urn:ietf:params:xml:ns:yang:ietf-network";
+     prefix nd;
+
+     import ietf-inet-types {
+       prefix inet;
+     }
+       leaf node-ref {
+         type node-id;
+         description
+           "Used to reference a node.
+            Nodes are identified relative to the network they are
+            contained in.";
+       }
+
+    typedef node-id {
+       type inet:uri;
+       description
+         "Identifier for a node.";
+     }
+   }