in src/Request/RoaRequest.php [118:136]
private function resolveHeaders()
{
$this->options['headers']['x-acs-version'] = $this->version;
$this->options['headers']['x-acs-region-id'] = $this->realRegionId();
$this->options['headers']['Date'] = gmdate($this->dateTimeFormat);
$signature = $this->httpClient()->getSignature();
$this->options['headers']['x-acs-signature-method'] = $signature->getMethod();
$this->options['headers']['x-acs-signature-nonce'] = Sign::uuid($this->product . $this->action);
$this->options['headers']['x-acs-signature-version'] = $signature->getVersion();
if ($signature->getType()) {
$this->options['headers']['x-acs-signature-type'] = $signature->getType();
}
$this->resolveAccept();
$this->resolveContentType();
$this->resolveSecurityToken();
$this->resolveBearerToken();
}