System.Runtime.Serialization.DataMember.DataMember.RequiresMemberAccessForSet C# (CSharp) Method

        internal bool RequiresMemberAccessForSet()
        {
            MemberInfo memberInfo = MemberInfo;
            FieldInfo field = memberInfo as FieldInfo;
            if (field != null)
            {
                return DataContract.FieldRequiresMemberAccess(field);
            }
            else
            {
                PropertyInfo property = (PropertyInfo)memberInfo;
                MethodInfo setMethod = property.SetMethod;
                if (setMethod != null)
                {
                    return DataContract.MethodRequiresMemberAccess(setMethod) || !DataContract.IsTypeVisible(property.PropertyType);
                }
            }
            return false;
        }
    }