tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/SelectManyRendererBase.java [578:598]:
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          if (value instanceof SelectItem) {
            nextItem = (SelectItem) value;
            return true;
          } else if (value != null && value.getClass().isArray()) {
            // value is any kind of array (primitive or non-primitive)
            // --> we have to use class Array to get the values
            final int length = Array.getLength(value);
            final Collection<Object> items = new ArrayList<>(length);
            for (int i = 0; i < length; i++) {
              items.add(Array.get(value, i));
            }
            nestedItems = items.iterator();
            return hasNext();
          } else if (value instanceof Iterable) {
            // value is Iterable --> Collection, DataModel,...
            nestedItems = ((Iterable<?>) value).iterator();
            return hasNext();
          } else if (value instanceof Map) {
            final Map<Object, Object> map = (Map<Object, Object>) value;
            final Collection<SelectItem> items = new ArrayList<>(map.size());
            for (final Map.Entry<Object, Object> entry : map.entrySet()) {
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tobago-core/src/main/java/org/apache/myfaces/tobago/internal/util/SelectItemUtils.java [173:193]:
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        if (value instanceof SelectItem) {
          nextItem = (SelectItem) value;
          return true;
        } else if (value != null && value.getClass().isArray()) {
          // value is any kind of array (primitive or non-primitive)
          // --> we have to use class Array to get the values
          final int length = Array.getLength(value);
          final Collection<Object> items = new ArrayList<>(length);
          for (int i = 0; i < length; i++) {
            items.add(Array.get(value, i));
          }
          nestedItems = items.iterator();
          return hasNext();
        } else if (value instanceof Iterable) {
          // value is Iterable --> Collection, DataModel,...
          nestedItems = ((Iterable<?>) value).iterator();
          return hasNext();
        } else if (value instanceof Map) {
          final Map<Object, Object> map = (Map<Object, Object>) value;
          final Collection<SelectItem> items = new ArrayList<>(map.size());
          for (final Map.Entry<Object, Object> entry : map.entrySet()) {
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