https://download.eclipse.org/modeling/emf/emf/javadoc/2.4.3/org/eclipse/emf/ecore/EValidator.Descriptor.html
EValidator.Descriptor (EMF Javadoc)
evalidatordescriptoremfjavadoc
https://download.eclipse.org/modeling/emf/emf/javadoc/2.10.0/org/eclipse/emf/ecore/EValidator.SubstitutionLabelProvider.html
EValidator.SubstitutionLabelProvider (EMF Documentation)
evalidatoremfdocumentation