@Override
    public void deleteAll() {
        lock.tryLock(__ -> writeAccountsToJsonRepository(new HashMap<>()));
    }
This is {@link JsonGoogleAuthenticatorTokenCredentialRepository}.

@author Misagh Moayyed
@since 5.1.0
support/cas-server-support-gauth-core/src/main/java/org/apereo/cas/gauth/credential/JsonGoogleAuthenticatorTokenCredentialRepository.java