}
LeafNode leftNode = new LeafNode(), rightNode = new LeafNode();
leftNode.keyName = rightNode.keyName = key.getText();
leftNode.value = leftV;
rightNode.value = rightV;
leftNode.operator = isPositive ? Operator.GREATERTHANOREQUALTO : Operator.LESSTHAN;
rightNode.operator = isPositive ? Operator.LESSTHANOREQUALTO : Operator.GREATERTHAN;