internal IQueryable <TResult> To <TResult>(IObjectDictionary parameters, MemberPaths memberPathsToExpand)
{
var membersToExpand = memberPathsToExpand.SelectMany(m => m).Distinct().ToArray();
var mapExpression = _builder.CreateMapExpression(_source.ElementType, typeof(TResult), parameters, membersToExpand);
return(_source.Provider.CreateQuery <TResult>(
Expression.Call(
null,
QueryableSelectMethod.MakeGenericMethod(_source.ElementType, typeof(TResult)),
new[] { _source.Expression, Expression.Quote(mapExpression) }
)
));
}