12 files declare their use of StatementInterface
- Connection.php in core/
modules/ sqlite/ src/ Driver/ Database/ sqlite/ Connection.php  - Connection.php in core/
modules/ pgsql/ src/ Driver/ Database/ pgsql/ Connection.php  - EmptyStatementTest.php in core/
tests/ Drupal/ Tests/ Core/ Database/ EmptyStatementTest.php  - ExceptionHandler.php in core/
modules/ mysql/ src/ Driver/ Database/ mysql/ ExceptionHandler.php  - FetchTest.php in core/
tests/ Drupal/ KernelTests/ Core/ Database/ FetchTest.php  - HelpSearch.php in core/
modules/ help_topics/ src/ Plugin/ Search/ HelpSearch.php  - node.module in core/
modules/ node/ node.module  - The core module that allows content to be submitted to the site.
 - NodeSearch.php in core/
modules/ node/ src/ Plugin/ Search/ NodeSearch.php  - PagerPluginBaseTest.php in core/
modules/ views/ tests/ src/ Unit/ Plugin/ pager/ PagerPluginBaseTest.php  - Contains \Drupal\Tests\views\Unit\Plugin\pager\PagerPluginBaseTest.
 - SqlBaseTest.php in core/
modules/ migrate/ tests/ src/ Kernel/ SqlBaseTest.php  - Contains \Drupal\Tests\migrate\Kernel\SqlBaseTest.
 - Statement.php in core/
modules/ sqlite/ src/ Driver/ Database/ sqlite/ Statement.php  - StatementTest.php in core/
tests/ Drupal/ KernelTests/ Core/ Database/ StatementTest.php  
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