return ftss.getSelectorName();
} else if (operand instanceof Length) {
Length length = (Length) operand;
return getSelectorName(length.getPropertyValue());
} else if (operand instanceof LowerCase) {
LowerCase lower = (LowerCase) operand;
return getSelectorName(lower.getOperand());
} else if (operand instanceof NodeLocalName) {
NodeLocalName local = (NodeLocalName) operand;
return local.getSelectorName();
} else if (operand instanceof NodeName) {
NodeName name = (NodeName) operand;