31 files declare their use of ContextConfig

ActionExpressionContainer.php in src/Engine/ActionExpressionContainer.php
ActionExpressionContainerInterface.php in src/Engine/ActionExpressionContainerInterface.php
AutoSaveTest.php in tests/src/Unit/Integration/Engine/AutoSaveTest.php
ConditionExpressionContainer.php in src/Engine/ConditionExpressionContainer.php
ConditionExpressionContainerInterface.php in src/Engine/ConditionExpressionContainerInterface.php
ConditionExpressionTest.php in tests/src/Unit/ConditionExpressionTest.php
ConfigSchemaTest.php in tests/src/Kernel/ConfigSchemaTest.php
ConfigurableEventHandlerTest.php in tests/src/Kernel/ConfigurableEventHandlerTest.php
ConfigureAndExecuteTest.php in tests/src/Functional/ConfigureAndExecuteTest.php
ContextFormTrait.php in src/Context/Form/ContextFormTrait.php
ContextHandlerTraitTest.php in tests/src/Unit/ContextHandlerTraitTest.php
ContextIntegrationTest.php in tests/src/Kernel/ContextIntegrationTest.php
CoreIntegrationTest.php in tests/src/Kernel/CoreIntegrationTest.php
DataProcessorTest.php in tests/src/Kernel/DataProcessorTest.php
EventIntegrationTest.php in tests/src/Kernel/EventIntegrationTest.php
EventPropertyAccessTest.php in tests/src/Kernel/EventPropertyAccessTest.php
ExpressionContainerBase.php in src/Engine/ExpressionContainerBase.php
ExpressionContainerInterface.php in src/Engine/ExpressionContainerInterface.php
ExpressionManager.php in src/Engine/ExpressionManager.php
ExpressionManagerInterface.php in src/Engine/ExpressionManagerInterface.php
ExpressionSerializationTest.php in tests/src/Unit/Integration/Engine/ExpressionSerializationTest.php
IntegrityCheckTest.php in tests/src/Unit/Integration/Engine/IntegrityCheckTest.php
LoopTest.php in tests/src/Unit/Integration/Engine/LoopTest.php
MetadataAssertionTest.php in tests/src/Kernel/Engine/MetadataAssertionTest.php
PrepareExecutionMetadataStateTest.php in tests/src/Unit/Integration/Engine/PrepareExecutionMetadataStateTest.php
RuleExpression.php in src/Plugin/RulesExpression/RuleExpression.php
RuleExpressionInterface.php in src/Engine/RuleExpressionInterface.php
RulesComponentActionTest.php in tests/src/Unit/Integration/RulesAction/RulesComponentActionTest.php
RulesComponentTest.php in tests/src/Unit/Integration/Engine/RulesComponentTest.php
RulesEngineTest.php in tests/src/Kernel/RulesEngineTest.php
TokenIntegrationTest.php in tests/src/Kernel/TokenIntegrationTest.php