@Override
  public @Nullable PostfixTemplate readExternalTemplate(@NotNull String id, @NotNull String name, @NotNull Element templateElement) {
    TemplateImpl template = readExternalLiveTemplate(templateElement, this);
    if (template == null) return null;
    Set<PyPostfixTemplateExpressionCondition> conditions =
      readExternalConditions(templateElement, PyPostfixTemplateProvider::readCondition);
    boolean useTopmostExpression = readExternalTopmostAttribute(templateElement);
    return new PyEditablePostfixTemplate(id, name, template, "", conditions, useTopmostExpression, this, false /*?*/);
  }
@Override
  public @Nullable PostfixTemplate readExternalTemplate(@NotNull String id, @NotNull String name, @NotNull Element templateElement)