18 files declare their use of InvalidDataTypeException

ConfigSingleImportForm.php in core/modules/config/src/Form/ConfigSingleImportForm.php
FileStorage.php in core/lib/Drupal/Core/Config/FileStorage.php
FrontMatter.php in core/lib/Drupal/Component/FrontMatter/FrontMatter.php
FrontMatterParseException.php in core/lib/Drupal/Component/FrontMatter/Exception/FrontMatterParseException.php
HelpTopicDiscovery.php in core/modules/help_topics/src/HelpTopicDiscovery.php
HelpTopicTwigLoader.php in core/modules/help_topics/src/HelpTopicTwigLoader.php
InfoParserDynamic.php in core/lib/Drupal/Core/Extension/InfoParserDynamic.php
LibraryDiscoveryParser.php in core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php
YamlDirectoryDiscovery.php in core/lib/Drupal/Component/Discovery/YamlDirectoryDiscovery.php
YamlDiscovery.php in core/lib/Drupal/Core/Discovery/YamlDiscovery.php
YamlDiscovery.php in core/lib/Drupal/Component/Discovery/YamlDiscovery.php
YamlDiscoveryTest.php in core/tests/Drupal/Tests/Component/Discovery/YamlDiscoveryTest.php
YamlDiscoveryTest.php in core/tests/Drupal/Tests/Core/Discovery/YamlDiscoveryTest.php
YamlPecl.php in core/lib/Drupal/Component/Serialization/YamlPecl.php
YamlPeclTest.php in core/tests/Drupal/Tests/Component/Serialization/YamlPeclTest.php
YamlSymfony.php in core/lib/Drupal/Component/Serialization/YamlSymfony.php
YamlSymfonyTest.php in core/tests/Drupal/Tests/Component/Serialization/YamlSymfonyTest.php
YamlTest.php in core/tests/Drupal/Tests/Component/Serialization/YamlTest.php

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