23 files declare their use of RulesConditionBase in Rules 8.3

DataComparison.php in src/Plugin/Condition/DataComparison.php

DataIsEmpty.php in src/Plugin/Condition/DataIsEmpty.php

DataListContains.php in src/Plugin/Condition/DataListContains.php

DataListCountIs.php in src/Plugin/Condition/DataListCountIs.php

EntityHasField.php in src/Plugin/Condition/EntityHasField.php

EntityIsNew.php in src/Plugin/Condition/EntityIsNew.php

EntityIsOfBundle.php in src/Plugin/Condition/EntityIsOfBundle.php

EntityIsOfType.php in src/Plugin/Condition/EntityIsOfType.php

IpIsBanned.php in src/Plugin/Condition/IpIsBanned.php

NodeIsOfType.php in src/Plugin/Condition/NodeIsOfType.php

NodeIsPromoted.php in src/Plugin/Condition/NodeIsPromoted.php

NodeIsPublished.php in src/Plugin/Condition/NodeIsPublished.php

NodeIsSticky.php in src/Plugin/Condition/NodeIsSticky.php

PathAliasExists.php in src/Plugin/Condition/PathAliasExists.php

PathHasAlias.php in src/Plugin/Condition/PathHasAlias.php

TestConditionFalse.php in tests/modules/rules_test/src/Plugin/Condition/TestConditionFalse.php

TestConditionProvider.php in tests/modules/rules_test/src/Plugin/Condition/TestConditionProvider.php

TestConditionTrue.php in tests/modules/rules_test/src/Plugin/Condition/TestConditionTrue.php

TestTextCondition.php in tests/modules/rules_test/src/Plugin/Condition/TestTextCondition.php

TextComparison.php in src/Plugin/Condition/TextComparison.php

UserHasEntityFieldAccess.php in src/Plugin/Condition/UserHasEntityFieldAccess.php

UserHasRole.php in src/Plugin/Condition/UserHasRole.php

UserIsBlocked.php in src/Plugin/Condition/UserIsBlocked.php