public SelectAttributesNodeProviders(MethodCallExpressionParseInfo source, Expression expression) : base(source)
 {
     FetchXmlSet = (IFetchXmlSet)((ConstantExpression)source.ParsedExpression.Arguments.First()).Value;
     Expression  = expression;
 }
 public SelectAttributesClause(Expression expression, IFetchXmlSet fetchXmlSet)
 {
     Expression  = expression;
     FetchXmlSet = fetchXmlSet;
 }