code: public synchronized List<CmsAliasImportResult> getAndRemove(String key) {
  
          List<CmsAliasImportResult> result = m_entries.get(key);
          if (result != null) {
              m_entries.remove(key);
          }
          return result;
      }
docs: Removes the list of alias import results for the given key and returns it.<p>
  
  @param key the alias import result key
  
  @return the list of alias import results