The update settings Type:

Process project update information. Hierarchy class \Drupal\update\

public UpdateProcessor::numberOfQueueItems()

public UpdateProcessor::claimQueueItem()

public UpdateProcessor::deleteQueueItem($item)

public UpdateProcessor::__construct(ConfigFactoryInterface $config_factory

Update Fetch Task Store Type:

public UpdateProcessor::processFetchTask($project)

public UpdateProcessor::createFetchTask($project)

public UpdateProcessor::fetchData()