public async Task <IReadOnlyDictionary <Guid, Interview> > GetBatchInterviews(IReadOnlyList <Guid> ids)
{
ValidationUtil.NotEmptyCollection <Guid>(ids?.ToList());
var query = new InterviewSearchQuery {
Ids = ids
};
var interviewSearchResult = await _interviewService.SearchAsync(query);
return(interviewSearchResult?.Interviews?.ToDictionary(x => x.Id) ?? new Dictionary <Guid, Interview>(0));
}