53 files declare their use of Index in Search API 8

AggregatedFieldsTest.php in tests/src/Unit/Processor/AggregatedFieldsTest.php

BackendTest.php in modules/search_api_db/tests/src/Kernel/BackendTest.php

BackendTestBase.php in tests/src/Kernel/BackendTestBase.php

BasicTrackerTest.php in tests/src/Kernel/BasicTrackerTest.php

BundlelessEntityTest.php in tests/src/Kernel/Datasource/BundlelessEntityTest.php

CacheabilityTest.php in tests/src/Functional/CacheabilityTest.php

CliTest.php in tests/src/Kernel/System/CliTest.php

CommandHelperTest.php in tests/src/Kernel/System/CommandHelperTest.php

ConfigOverrideKernelTest.php in tests/src/Kernel/ConfigEntity/ConfigOverrideKernelTest.php

ContentEntityDatasourceTest.php in tests/src/Kernel/Datasource/ContentEntityDatasourceTest.php

CustomDataTypesTest.php in tests/src/Kernel/System/CustomDataTypesTest.php

Database.php in modules/search_api_db/src/Plugin/search_api/backend/Database.php

DatasourceTaskTest.php in tests/src/Kernel/Datasource/DatasourceTaskTest.php

DefaultConfigEntityInstallationTest.php in tests/src/Kernel/ConfigEntity/DefaultConfigEntityInstallationTest.php

DependencyRemovalTest.php in tests/src/Kernel/ConfigEntity/DependencyRemovalTest.php

EntityStringIdTest.php in tests/src/Kernel/Datasource/EntityStringIdTest.php

EventsTest.php in tests/src/Functional/EventsTest.php

ExampleContentTrait.php in tests/src/Functional/ExampleContentTrait.php

ExcerptFieldTest.php in tests/src/Functional/ExcerptFieldTest.php

FieldIntegrationTest.php in tests/src/Functional/FieldIntegrationTest.php

FieldValuesExtractionTest.php in tests/src/Kernel/System/FieldValuesExtractionTest.php

HooksTest.php in tests/src/Functional/HooksTest.php

IndexChangesTest.php in tests/src/Kernel/Index/IndexChangesTest.php

IndexLoadItemsTest.php in tests/src/Kernel/Index/IndexLoadItemsTest.php

IndexTaskManager.php in src/Task/IndexTaskManager.php

IntegrationTest.php in tests/src/Functional/IntegrationTest.php

IntegrationTest.php in modules/search_api_db/search_api_db_defaults/tests/src/Functional/IntegrationTest.php

ItemFieldTest.php in tests/src/Unit/ItemFieldTest.php

LanguageIntegrationTest.php in tests/src/Functional/LanguageIntegrationTest.php

LanguageKernelTest.php in tests/src/Kernel/Datasource/LanguageKernelTest.php

OverviewPageTest.php in tests/src/Functional/OverviewPageTest.php

ProcessorIntegrationTest.php in tests/src/Functional/ProcessorIntegrationTest.php

ProcessorTestBase.php in tests/src/Kernel/Processor/ProcessorTestBase.php

QueryTest.php in tests/src/Kernel/System/QueryTest.php

ReferencedEntitiesReindexingTest.php in tests/src/Kernel/Datasource/ReferencedEntitiesReindexingTest.php

RenderedItemTest.php in tests/src/Kernel/Processor/RenderedItemTest.php

SearchApiBrowserTestBase.php in tests/src/Functional/SearchApiBrowserTestBase.php

SearchApiBulkFormTest.php in tests/src/Functional/SearchApiBulkFormTest.php

SearchApiFulltext.php in src/Plugin/views/filter/SearchApiFulltext.php

SearchApiMoreLikeThis.php in src/Plugin/views/argument/SearchApiMoreLikeThis.php

SearchApiQuery.php in src/Plugin/views/query/SearchApiQuery.php

search_api.module in ./search_api.module

Provides a rich framework for creating searches.

search_api.views.inc in ./search_api.views.inc

Views hook implementations for the Search API module.

SerializationTest.php in tests/src/Kernel/System/SerializationTest.php

ServerChangesTest.php in tests/src/Kernel/Server/ServerChangesTest.php

ServerTaskTest.php in tests/src/Kernel/Server/ServerTaskTest.php

TaskTest.php in tests/src/Kernel/System/TaskTest.php

TokenizerTest.php in tests/src/Unit/Processor/TokenizerTest.php

UnsavedIndexConfiguration.php in src/UnsavedIndexConfiguration.php

ViewsCacheInvalidationTest.php in tests/src/Kernel/Views/ViewsCacheInvalidationTest.php

ViewsDisplayCachingTest.php in tests/src/Kernel/Views/ViewsDisplayCachingTest.php

ViewsFieldTraitTest.php in tests/src/Kernel/Views/ViewsFieldTraitTest.php

ViewsTest.php in tests/src/Functional/ViewsTest.php