credential_id() :: binary()

t() :: %Wax.AuthenticatorData{
  attested_credential_data: Wax.AttestedCredentialData.t(),
  extensions: map(),
  flag_attested_credential_data: boolean(),
  flag_extension_data_included: boolean(),
  flag_user_present: boolean(),
  flag_user_verified: boolean(),
  raw_bytes: binary(),
  rp_id_hash: binary(),
  sign_count: non_neg_integer()
}