18 files declare their use of QuizQuestion in Quiz 8.6

LongAnswerQuestion.php in question_types/quiz_long_answer/src/Plugin/quiz/QuizQuestion/LongAnswerQuestion.php

LongAnswerTestCase.php in question_types/quiz_long_answer/tests/src/Functional/LongAnswerTestCase.php

Unit tests for the long_answer Module.

MatchingQuestion.php in question_types/quiz_matching/src/Plugin/quiz/QuizQuestion/MatchingQuestion.php

Matching classes.

MultichoiceQuestion.php in question_types/quiz_multichoice/src/Plugin/quiz/QuizQuestion/MultichoiceQuestion.php

Quiz.php in src/Entity/Quiz.php

QuizDirectionsQuestion.php in question_types/quiz_directions/src/Plugin/quiz/QuizQuestion/QuizDirectionsQuestion.php

Quiz_directions classes.

QuizDirectionsTestCase.php in question_types/quiz_directions/tests/src/Functional/QuizDirectionsTestCase.php

Unit tests for the quiz_directions Module.

QuizMultichoiceTestCase.php in question_types/quiz_multichoice/tests/src/Functional/QuizMultichoiceTestCase.php

QuizPageQuestion.php in question_types/quiz_page/src/Plugin/quiz/QuizQuestion/QuizPageQuestion.php

Quiz page classes.

QuizRepeatUntilCorrectTest.php in tests/src/Functional/QuizRepeatUntilCorrectTest.php

QuizResultAnswerEntityTrait.php in src/Entity/QuizResultAnswerEntityTrait.php

QuizResultTest.php in tests/src/Functional/QuizResultTest.php

QuizRevisioningTest.php in tests/src/Functional/QuizRevisioningTest.php

QuizTestBase.php in tests/src/Functional/QuizTestBase.php

QuizTrueFalseTestCase.php in question_types/quiz_truefalse/tests/src/Functional/QuizTrueFalseTestCase.php

ShortAnswerQuestion.php in question_types/quiz_short_answer/src/Plugin/quiz/QuizQuestion/ShortAnswerQuestion.php

ShortAnswerTestCase.php in question_types/quiz_short_answer/tests/src/Functional/ShortAnswerTestCase.php

Unit tests for the short_answer Module.

TrueFalseQuestion.php in question_types/quiz_truefalse/src/Plugin/quiz/QuizQuestion/TrueFalseQuestion.php