6 files declare their use of SearchIndexInterface in Drupal 8
- HelpSearch.php in core/
modules/ help_topics/ src/ Plugin/ Search/ HelpSearch.php - NodeSearch.php in core/
modules/ node/ src/ Plugin/ Search/ NodeSearch.php - SearchMatchTest.php in core/
modules/ search/ tests/ src/ Kernel/ SearchMatchTest.php - SearchMultilingualEntityTest.php in core/
modules/ search/ tests/ src/ Functional/ SearchMultilingualEntityTest.php - SearchNodeUpdateAndDeletionTest.php in core/
modules/ search/ tests/ src/ Functional/ SearchNodeUpdateAndDeletionTest.php - SearchRankingTest.php in core/
modules/ search/ tests/ src/ Functional/ SearchRankingTest.php