JokenJwks.SignerMatchStrategy.match_signer_for_kid

You're seeing just the callback match_signer_for_kid, go back to JokenJwks.SignerMatchStrategy module for more information.

match_signer_for_kid(kid, hook_options)

match_signer_for_kid(kid :: binary(), hook_options :: any()) ::
  {:ok, Joken.Signer.t()} | {:error, reason :: atom()}