findMigrations example

if (! $this->enabled) {
            throw ConfigException::forDisabledMigrations();
        }

        $this->ensureTable();

        if ($group !== null) {
            $this->groupFilter = $group;
            $this->setGroup($group);
        }

        $migrations = $this->findMigrations();

        if (empty($migrations)) {
            return true;
        }

        foreach ($this->getHistory((string) $group) as $history) {
            unset($migrations[$this->getObjectUid($history)]);
        }

        $batch = $this->getLastBatch() + 1;