7 files declare their use of ConditionExpressionInterface in Rules 8.3

AndExpressionTest.php in tests/src/Unit/AndExpressionTest.php

ConditionExpression.php in src/Plugin/RulesExpression/ConditionExpression.php

ConditionForm.php in src/Form/Expression/ConditionForm.php

OrExpressionTest.php in tests/src/Unit/OrExpressionTest.php

RuleExpression.php in src/Plugin/RulesExpression/RuleExpression.php

RuleExpressionTest.php in tests/src/Unit/RuleExpressionTest.php

RulesUnitTestBase.php in tests/src/Unit/RulesUnitTestBase.php