mergeChildrenImpl(from, to, cloneAllEdges, mapping);
mergeChildrenImpl(from, to, cloneAllEdges, mapping);
mergeChildrenImpl(cell, target, cloneAllEdges, mapping);
mergeChildrenImpl(cell, target, cloneAllEdges, mapping);
mergeChildrenImpl(from, to, cloneAllEdges, mapping);
mergeChildrenImpl(from, to, cloneAllEdges, mapping);
mergeChildrenImpl(cell, target, cloneAllEdges, mapping);
mergeChildrenImpl(cell, target, cloneAllEdges, mapping);