The search page repository. Type:

public SearchPageRepositoryInterface

public SearchPageFormBase::validateForm(array &$form

The entity being used by this form. Type:

public SearchPageRepositoryInterface

The name (plugin ID) of the search page entity. Type: string File

public SearchPageRepositoryInterface

public ReindexConfirm::getFormId()

public SearchQuery::addScore($score, $arguments = array(), $multiply =

public SearchQuery::searchExpression($expression, $type)