7 files declare their use of WebformSubmissionConditionsValidator in Webform 6.x

Checkboxes.php in src/Plugin/WebformElement/Checkboxes.php

DateList.php in src/Plugin/WebformElement/DateList.php

DateTime.php in src/Plugin/WebformElement/DateTime.php

OptionsBase.php in src/Plugin/WebformElement/OptionsBase.php

WebformCheckboxesOther.php in src/Plugin/WebformElement/WebformCheckboxesOther.php

WebformElementBase.php in src/Plugin/WebformElementBase.php

WebformHeight.php in src/Plugin/WebformElement/WebformHeight.php