scan(operator.getOperand());
ASTNodeData operandNodeData = nodeDataStack.peek();
BinaryOperatorKind binOp;
XpathOperatorMapping xpathBinOpMap = xpathFactory.createBinOpMapping();
XpathNumberExpression xpathNumberOne = xpathFactory.createNumber();
xpathNumberOne.setNumber(1);
XpathBinaryOpExpression xpathBinOperation = xpathFactory.createBinaryOperation();
//XpathTypeMapping xpathTypeMap = xpathFactory.createTypeMapping();
//XpathExprType varXpathType = xpathTypeMap.getXpathExprType(operator.getType().getQualifiedName());
switch(operator.getKind()){