https://api.drupal.org/api/drupal/core%21tests%21Drupal%21Tests%21Component%21Plugin%21Discovery%21StaticDiscoveryDecoratorTest.php/function/StaticDiscoveryDecoratorTest%3A%3AproviderGetDefinition/8.9.x
function StaticDiscoveryDecoratorTest::providerGetDefinition | Drupal API
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