+module test1 {
+
+ yang-version 1;
+ namespace "urn:simple.demo.test1";
+ prefix "t1";
+
+ import test3 {
+ prefix "t3";
+ revision-date 2013-06-18;
+ }
+
+ import test2 {
+ prefix "t2";
+ revision-date 2013-06-18;
+ }
+
+ import test4 {
+ prefix "t4";
+ revision-date 2013-06-18;
+ }
+
+ organization "opendaylight";
+ contact "WILL-BE-DEFINED-LATER";
+ revision 2013-06-18 {
+ }
+
+ augment "/t4:interfaces/t4:ifEntry/t2:augment-holder/t3:schemas" {
+ when "if:ifType='ds0'";
+ leaf id {
+ type string;
+ }
+ }
+
+}