protected function getBasicAuthorizationHeaderInfo()
    {
        $dateTime = new \DateTime();
        $headerParameters = [
            'oauth_callback'         => $this->credentials->getCallbackUrl(),
            'oauth_consumer_key'     => $this->credentials->getConsumerId(),
            'oauth_nonce'            => $this->generateNonce(),
            'oauth_signature_method' => $this->getSignatureMethod(),
            'oauth_timestamp'        => $dateTime->format('U'),
            'oauth_version'          => $this->getVersion(),
        ];

        return $headerParameters;
    }