17 files declare their use of TypedConfigManagerInterface

ConfigEntityAdapter.php in core/lib/Drupal/Core/Entity/Plugin/DataType/ConfigEntityAdapter.php
ConfigEntityMapper.php in core/modules/config_translation/src/ConfigEntityMapper.php
ConfigEntityStorageTest.php in core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityStorageTest.php
ConfigEntityTypeTest.php in core/tests/Drupal/Tests/Core/Config/Entity/ConfigEntityTypeTest.php
ConfigMapperManager.php in core/modules/config_translation/src/ConfigMapperManager.php
ConfigNamesMapper.php in core/modules/config_translation/src/ConfigNamesMapper.php
ConfigSchemaChecker.php in core/lib/Drupal/Core/Config/Development/ConfigSchemaChecker.php
ConfigSingleImportForm.php in core/modules/config/src/Form/ConfigSingleImportForm.php
ConfigSync.php in core/modules/config/src/Form/ConfigSync.php
ConfigTranslationFormBase.php in core/modules/config_translation/src/Form/ConfigTranslationFormBase.php
Element.php in core/lib/Drupal/Core/Config/Schema/Element.php
LanguageConfigFactoryOverride.php in core/modules/language/src/Config/LanguageConfigFactoryOverride.php
LanguageConfigOverride.php in core/modules/language/src/Config/LanguageConfigOverride.php
LocaleConfigManager.php in core/modules/locale/src/LocaleConfigManager.php
SchemaCheckTestTrait.php in core/tests/Drupal/Tests/SchemaCheckTestTrait.php
SchemaCheckTrait.php in core/lib/Drupal/Core/Config/Schema/SchemaCheckTrait.php
ViewsConfigUpdater.php in core/modules/views/src/ViewsConfigUpdater.php

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.