public async Task <IActionResult> ListElementTypesAsync([FromQuery] string elementTypeIds)
{
IEnumerable <Guid> elementTypeIdCollection = !string.IsNullOrWhiteSpace(elementTypeIds) ? elementTypeIds.Split(',').Select(Guid.Parse) : null;
return(Ok(elementTypeIdCollection == null ? await _elementService.ListElementTypesAsync() : await _elementService.ListElementTypesAsync(elementTypeIdCollection)));
}
