[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UColorCorrectRegionsSubsystem : public [UWorldSubsystem](API\Runtime\Engine\Subsystems\UWorldSubsystem), public [FColorCorrectRegionsEditorUndoClient](API\Plugins\ColorCorrectRegions\FColorCorrectRegionsEditorUndoCl-)