protected virtual bool IsReadOnlyMember(MemberReferenceExpression container)
        {
            switch (container.Entity.EntityType)
            {
            case EntityType.Property:
            {
                return(((IProperty)container.Entity).GetSetMethod() == null);
            }

            case EntityType.Field:
            {
                return(TypeSystemServices.IsReadOnlyField((IField)container.Entity));
            }
            }
            return(true);
        }