6 files declare their use of ConditionManager

ConditionExpression.php in src/Plugin/RulesExpression/ConditionExpression.php
ConditionExpressionTest.php in tests/src/Unit/ConditionExpressionTest.php
ConditionForm.php in src/Form/Expression/ConditionForm.php
RulesEngineTest.php in tests/src/Kernel/RulesEngineTest.php
RulesIntegrationTestBase.php in tests/src/Unit/Integration/RulesIntegrationTestBase.php
RulesServiceProvider.php in src/RulesServiceProvider.php