Type java.util.Map<java.lang.Object,java.lang.Object> of variable loadOptions does not match with type org.eclipse.emf.ecore.provider.EReferenceItemProvider of variable eReferenceItemProvider
Make classes java.util.Map and org.eclipse.emf.ecore.provider.EReferenceItemProvider extend a common superclass
Type java.util.Map<java.lang.Object,java.lang.Object> of variable loadOptions does not match with type org.eclipse.emf.ecore.provider.EReferenceItemProvider of variable eReferenceItemProvider