6 string references to YAML keys in package_manager.routing.yml

ComposerPluginsValidator::__construct in core/modules/package_manager/src/Validator/ComposerPluginsValidator.php
ComposerRequirementTest::testComposerInfoShown in core/modules/package_manager/tests/src/Functional/ComposerRequirementTest.php
Tests that Composer version and path are listed on the status report.
SettingsForm::buildForm in core/modules/package_manager/src/Form/SettingsForm.php
Form constructor.
SettingsForm::getEditableConfigNames in core/modules/package_manager/src/Form/SettingsForm.php
Gets the configuration names that will be editable.
SettingsFormTest::testSettingsForm in core/modules/package_manager/tests/src/Functional/SettingsFormTest.php
Tests that executable paths can be configured through the settings form.
UnknownPathExcluderTest::testExcluderCanBeDisabled in core/modules/package_manager/tests/src/Kernel/PathExcluder/UnknownPathExcluderTest.php
Tests that the excluder can be disabled by a config flag.

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