6 files declare their use of Insert

Connection.php in core/tests/fixtures/database_drivers/custom/fake/Connection.php
Connection.php in core/lib/Drupal/Core/Database/Connection.php
Insert.php in core/modules/sqlite/src/Driver/Database/sqlite/Insert.php
Insert.php in core/modules/mysql/src/Driver/Database/mysql/Insert.php
Insert.php in core/modules/pgsql/src/Driver/Database/pgsql/Insert.php
Insert.php in core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Insert.php

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