This commit allows to override only MainModifier omitting overriding MainCheckerModifier. Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>
Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>
Update documentation as well to mention it and not mention outdated APIs. We can't link them yet, this will be done after the release.