src/EcsRamRoleCredential.php [117:139]:
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    public function getSignature()
    {
        return new ShaHmac1Signature();
    }

    /**
     * @return string
     * @throws Exception
     * @throws GuzzleException
     */
    public function getAccessKeyId()
    {
        return $this->getSessionCredential()->getAccessKeyId();
    }

    /**
     * @return AlibabaCloud\Credentials\Providers\Credentials
     * @throws Exception
     * @throws GuzzleException
     */
    protected function getSessionCredential()
    {
        $params = [
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src/RsaKeyPairCredential.php [113:135]:
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    public function getSignature()
    {
        return new ShaHmac1Signature();
    }

    /**
     * @return string
     * @throws Exception
     * @throws GuzzleException
     */
    public function getAccessKeyId()
    {
        return $this->getSessionCredential()->getAccessKeyId();
    }

    /**
     * @return AlibabaCloud\Credentials\Providers\Credentials
     * @throws Exception
     * @throws GuzzleException
     */
    protected function getSessionCredential()
    {
        $params = [
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