api/src/main/java/jakarta/faces/component/UIData.java [1029:1076]:
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                    else if (child.getChildCount() > 0 || (saveChildFacets && child.getFacetCount() > 0))
                    {
                        Object descendantSavedState = saveDescendantComponentStates(child, saveChildFacets, true);
                        if (descendantSavedState == null)
                        {
                            if (childStates == null)
                            {
                                childEmptyIndex++;
                            }
                            else
                            {
                                childStates.add(LEAF_NO_STATE);
                            }
                        }
                        else
                        {
                            if (childStates == null)
                            {
                                childStates = new ArrayList<>(
                                        parent.getFacetCount()
                                        + parent.getChildCount()
                                        - totalChildCount
                                        + childEmptyIndex);
                                for (int ci = 0; ci < childEmptyIndex; ci++)
                                {
                                    childStates.add(LEAF_NO_STATE);
                                }
                            }
                            childStates.add(new Object[]{null, descendantSavedState});
                        }
                    }
                    else
                    {
                        if (childStates == null)
                        {
                            childEmptyIndex++;
                        }
                        else
                        {
                            childStates.add(LEAF_NO_STATE);
                        }
                    }
                }
                totalChildCount++;
            }
        }
        
        return childStates;
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impl/src/main/java/org/apache/myfaces/view/facelets/component/UIRepeat.java [807:855]:
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                    else if (child.getChildCount() > 0 || (saveChildFacets && child.getFacetCount() > 0))
                    {
                        Object descendantSavedState = saveDescendantComponentStates(child, saveChildFacets, true);
                        
                        if (descendantSavedState == null)
                        {
                            if (childStates == null)
                            {
                                childEmptyIndex++;
                            }
                            else
                            {
                                childStates.add(LEAF_NO_STATE);
                            }
                        }
                        else
                        {
                            if (childStates == null)
                            {
                                childStates = new ArrayList<>(
                                        parent.getFacetCount()
                                        + parent.getChildCount()
                                        - totalChildCount
                                        + childEmptyIndex);
                                for (int ci = 0; ci < childEmptyIndex; ci++)
                                {
                                    childStates.add(LEAF_NO_STATE);
                                }
                            }
                            childStates.add(new Object[]{null, descendantSavedState});
                        }
                    }
                    else
                    {
                        if (childStates == null)
                        {
                            childEmptyIndex++;
                        }
                        else
                        {
                            childStates.add(LEAF_NO_STATE);
                        }
                    }
                }
                totalChildCount++;
            }
        }
        
        return childStates;
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