private static @Nullable PyPostfixTemplateExpressionCondition readCondition(@NotNull Element conditionElement) {
    String id = conditionElement.getAttributeValue(PostfixTemplateExpressionCondition.ID_ATTR);
    return PyPostfixTemplateExpressionCondition.PyClassCondition.ID.equals(id) ?
           PyPostfixTemplateExpressionCondition.PyClassCondition.Companion.readFrom(conditionElement) :
           PyPostfixTemplateExpressionCondition.PUBLIC_CONDITIONS.get(id);
  }
private static @Nullable PyPostfixTemplateExpressionCondition readCondition(@NotNull Element conditionElement)