@MarshalsPointer
 public static long toNative(List<NSCocoaErrorUserInfoKey> l, long flags) {
   if (l == null) {
     return 0L;
   }
   NSArray<NSString> array = new NSMutableArray<>();
   for (NSCocoaErrorUserInfoKey i : l) {
     array.add(i.value());
   }
   return NSObject.Marshaler.toNative(array, flags);
 }
 public static /*<name>*/ NSCocoaErrorUserInfoKey /*</name>*/ valueOf(
     /*<type>*/ NSString /*</type>*/ value) {
   for (/*<name>*/ NSCocoaErrorUserInfoKey /*</name>*/ v : values) {
     if (v.value().equals(value)) {
       return v;
     }
   }
   throw new IllegalArgumentException(
       "No constant with value "
           + value
           + " found in "
           + /*<name>*/ NSCocoaErrorUserInfoKey /*</name>*/.class.getName());
 }
 @MarshalsPointer
 public static long toNative(NSCocoaErrorUserInfoKey o, long flags) {
   if (o == null) {
     return 0L;
   }
   return NSObject.Marshaler.toNative(o.value(), flags);
 }
 @MarshalsPointer
 public static NSCocoaErrorUserInfoKey toObject(
     Class<NSCocoaErrorUserInfoKey> cls, long handle, long flags) {
   NSString o = (NSString) NSObject.Marshaler.toObject(NSString.class, handle, flags);
   if (o == null) {
     return null;
   }
   return NSCocoaErrorUserInfoKey.valueOf(o);
 }
 @SuppressWarnings("unchecked")
 @MarshalsPointer
 public static List<NSCocoaErrorUserInfoKey> toObject(
     Class<? extends NSObject> cls, long handle, long flags) {
   NSArray<NSString> o = (NSArray<NSString>) NSObject.Marshaler.toObject(cls, handle, flags);
   if (o == null) {
     return null;
   }
   List<NSCocoaErrorUserInfoKey> list = new ArrayList<>();
   for (int i = 0; i < o.size(); i++) {
     list.add(NSCocoaErrorUserInfoKey.valueOf(o.get(i)));
   }
   return list;
 }