text: from typing import Optional
  import xml.etree.ElementTree as ET
  from ...xml.XmlReader import XmlReader as XR
  from ..namespaces import DATA
  from ..dto.EkaerIds import EkaerIds
  
  
  def deserialize_ekaer_ids(element: ET.Element) -> Optional[EkaerIds]:
      if element is None:
          return None
  
      result = EkaerIds(
          ekaer_id=[e.text for e in XR.find_all_child(element, 'ekaerId', DATA)],
      )
  
      return result
  