https://www.iodocs.com/methods-search-user-accounts-email-address-firebase/
Methods to search for user accounts by email address in Firebase - iodocs
Oct 5, 2016 - Methods to search for user accounts by email address in Firebase. An example of searching for user accounts by email address.
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https://api.drupal.org/api/drupal/11.x/search/user.settings.yml
Search for user.settings.yml | Drupal API
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