getMigrationGenerator example

        $collection->sync();

        $this->io->writeln('migrate Migrations');

        $migrationCount = $this->getMigrationsCount($collection, $until, $limit);
        $this->io->progressStart($migrationCount);
        $migratedCounter = 0;

        try {
            foreach ($this->getMigrationGenerator($collection, $until, $limit) as $_return) {
                $this->io->progressAdvance();
                ++$migratedCounter;
            }
        } catch (\Exception $e) {
            $this->finishProgress($migratedCounter, $migrationCount);

            throw new MigrateException($e->getMessage() . \PHP_EOL . 'Trace: ' . \PHP_EOL . $e->getTraceAsString(), $e);
        }

        $this->finishProgress($migratedCounter, $migrationCount);
        $this->io->writeln(sprintf('all migrations for identifier: "%s" executed', $identifier));