<node label="Mail" openIcon="foo" closedIcon="bar">
   <node label="INBOX"/>
   <node label="Personal Folder" openIcon="foo" closedIcon="bar">
	   <node label="Business" isBranch="true" />
	   <node label="Demo" isBranch="true" />
	   <node label="Personal" isBranch="true" />
	   <node label="Saved Mail" isBranch="true" />
   </node>
   <node label="Sent" isBranch="true" />
   <node label="Trash"/>
</node>
