10 classes are annotated with SearchApiDataType in Search API 8

AlteringValueTestDataType in tests/search_api_test/src/Plugin/search_api/data_type/AlteringValueTestDataType.php

Provides a dummy data type for testing purposes.

BooleanDataType in src/Plugin/search_api/data_type/BooleanDataType.php

Provides a boolean data type.

DateDataType in src/Plugin/search_api/data_type/DateDataType.php

Provides a date data type.

DecimalDataType in src/Plugin/search_api/data_type/DecimalDataType.php

Provides a decimal data type.

IntegerDataType in src/Plugin/search_api/data_type/IntegerDataType.php

Provides an integer data type.

NoUi in tests/search_api_test_no_ui/src/Plugin/search_api/data_type/NoUi.php

Provides a test data type that should be hidden from the UI.

StringDataType in src/Plugin/search_api/data_type/StringDataType.php

Provides a string data type.

TestDataType in tests/search_api_test/src/Plugin/search_api/data_type/TestDataType.php

Provides a dummy data type for testing purposes.

TextDataType in src/Plugin/search_api/data_type/TextDataType.php

Provides a full text data type.

UnsupportedTestDataType in tests/search_api_test/src/Plugin/search_api/data_type/UnsupportedTestDataType.php

Provides a dummy data type for testing purposes.