FzyClauseComponent leftChild= theOpr.getLeftChild();
while (leftChild instanceof FzyOperator) {
leftChild= ((FzyOperator) leftChild).getLeftChild();
xmlSB.append(leftChild.toXML(nTabs + 1));
}
xmlSB.append(leftChild.toXML(nTabs+1));
} else if (theOpr.getRightChild() instanceof FzyOperator) {
FzyClauseComponent rightChild= theOpr.getRightChild();
while (rightChild instanceof FzyOperator) {
rightChild= ((FzyOperator) rightChild).getRightChild();
xmlSB.append(rightChild.toXML(nTabs + 1));