org.zkoss.util.resource.LabelLoader.class
From Documentation
Property:
org.zkoss.util.resource.LabelLoader.class
Applicable: globally in zk.xml via <library-property> not as <custom-attribute>
Default: none (it implies LabelLoaderImpl)
Since 7.0.1
It specifies the name of the class used to provide the customized label loader. The class must implement the LabelLoader interface.