in src/WorkerIndexingHelper.cs [268:274]
public static string GetNamedArgumentStringValue(AttributeAst attribute, string argumentName, string defaultValue="")
{
// Filter the named arguments for the one with the correct name
var matchingNamedArguments = attribute.NamedArguments.Where(x => x.ArgumentName == argumentName);
//PowerShell syntax ensures that argument names must be unique, so First() is safe
return matchingNamedArguments.Any() ? ConvertExpressionToString(matchingNamedArguments.First().Argument) : defaultValue;
}