docs: @Override
      public Map<String, List<Object>> getAttributes() {
          final Map<String, List<Object>> attributeMap = new LinkedHashMap<String, List<Object>>();
  
          for (final LocalAccountPersonAttributeImpl attribute : attributes) {
              final List<Object> objValues = this.getObjectValues(attribute);
              attributeMap.put(attribute.getName(), objValues);
          }
  
          return Collections.unmodifiableMap(attributeMap);
      }