*/
public static ExpressionDefinition toExpressionDefinition(Expression expression) {
if (expression instanceof SimpleBuilder) {
SimpleBuilder builder = (SimpleBuilder) expression;
// we keep the original expression by using the constructor that accepts an expression
SimpleExpression answer = new SimpleExpression(builder);
answer.setExpression(builder.getText());
answer.setResultType(builder.getResultType());
return answer;
} else if (expression instanceof XPathBuilder) {
XPathBuilder builder = (XPathBuilder) expression;
// we keep the original expression by using the constructor that accepts an expression
XPathExpression answer = new XPathExpression(builder);
answer.setExpression(builder.getText());
answer.setResultType(builder.getResultType());
return answer;
} else if (expression instanceof ValueBuilder) {
ValueBuilder builder = (ValueBuilder) expression;
expression = builder.getExpression();
}