The theme handler. Type:

public UpdateProcessorInterface::createFetc

Configure update settings for this site. Hierarchy class \Drupal\Core\Form\

public UpdateManagerUpdate::__construct(ModuleHandlerInterface

public UpdateProcessor::fetchData()

public UpdateManagerInstall::buildForm(array $form

public UpdateProcessor::createFetchTask($project)

public UpdateProcessor::processFetchTask($project)

Update Fetch Task Store Type:

public UpdateManagerInstall::validateForm(array