do
{
   // do some stuff
   if(condition1) break;
   // do even more stuff
   if(condition2) break;
   // and more stuff
   if(condition3) break;
   // very important stuff to be done only once if all conditions above are fulfilled.
} while(false);

public ConfigDto GetConfiguration(long param1, long param2)
{
    // do some stuff
    var repository = ResolveRepository<ObjectDto>();

    // condition1
    if (repository == null)
       return null;
    // do even more stuff
    var data = QueryObjectsByParam1(repository, param1)

    if (!data.Any())
       return null;

    return TransformToConfig(data);
}

private IEnumerable<ObjectDto> QueryObjectsByParam1(Repository<ObjectDto> repository, long param)
{
     // condition2
     if (!repository.Any())
         return EmptyArray;

     // and more stuff
     var intermidiateResult = repository.Where(x => x.Id >= param).ToArray();
     
     intermidiateResult.ForEach(x => x.ResolveTime = DateTime.Now());
     return intermidiateResult;
}