diff --git a/tools/lint/examples/sm-context-extension.xml b/tools/lint/examples/sm-context-extension.xml
new file mode 100644
index 0000000..747c60f
--- /dev/null
+++ b/tools/lint/examples/sm-context-extension.xml
@@ -0,0 +1,64 @@
+<yang-library xmlns="urn:ietf:params:xml:ns:yang:ietf-yang-library"
+     xmlns:ds="urn:ietf:params:xml:ns:yang:ietf-datastores">
+   <module-set>
+     <name>test-set</name>
+     <module>
+       <name>ietf-datastores</name>
+       <revision>2018-02-14</revision>
+       <namespace>urn:ietf:params:xml:ns:yang:ietf-datastores</namespace>
+     </module>
+     <module>
+       <name>ietf-yang-library</name>
+       <revision>2019-01-04</revision>
+       <namespace>urn:ietf:params:xml:ns:yang:ietf-yang-library</namespace>
+     </module>
+     <module>
+       <name>sm-extension</name>
+       <namespace>urn:sm-ext</namespace>
+     </module>
+     <module>
+       <name>iana-if-type</name>
+       <namespace>urn:ietf:params:xml:ns:yang:iana-if-type</namespace>
+     </module>
+     <import-only-module>
+       <name>ietf-yang-types</name>
+       <revision>2013-07-15</revision>
+       <namespace>urn:ietf:params:xml:ns:yang:ietf-yang-types</namespace>
+     </import-only-module>
+     <import-only-module>
+       <name>sm-mod</name>
+       <revision>2017-01-26</revision>
+       <namespace>urn:yanglint:sm-mod</namespace>
+     </import-only-module>
+   </module-set>
+   <schema>
+     <name>test-schema</name>
+     <module-set>test-set</module-set>
+   </schema>
+   <datastore>
+     <name>ds:running</name>
+     <schema>test-schema</schema>
+   </datastore>
+   <datastore>
+     <name>ds:operational</name>
+     <schema>test-schema</schema>
+   </datastore>
+   <content-id>1</content-id>
+ </yang-library>
+ <modules-state xmlns="urn:ietf:params:xml:ns:yang:ietf-yang-library">
+   <module-set-id>1</module-set-id>
+ </modules-state>
+ <schema-mounts xmlns="urn:ietf:params:xml:ns:yang:ietf-yang-schema-mount">
+   <namespace>
+     <prefix>if</prefix>
+     <uri>urn:ietf:params:xml:ns:yang:ietf-interfaces</uri>
+   </namespace>
+   <mount-point>
+     <module>sm-main</module>
+     <label>mnt-root</label>
+     <shared-schema>
+       <parent-reference>/if:interfaces/if:interface/if:name</parent-reference>
+       <parent-reference>/if:interfaces/if:interface/if:type</parent-reference>
+     </shared-schema>
+   </mount-point>
+  </schema-mounts>