Type java.util.Map<java.lang.Object,java.lang.Object> of variable loadOptions does not match with type org.eclipse.emf.ecore.provider.EAttributeItemProvider of variable eAttributeItemProvider
Make classes java.util.Map and org.eclipse.emf.ecore.provider.EAttributeItemProvider 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.EAttributeItemProvider of variable eAttributeItemProvider