public function getContainerAcl($containerName = '', $signedIdentifiers = false)
    {
        Assertion::notEmpty($containerName, 'Container name is not specified');
        self::assertValidContainerName($containerName);

        $response = $this->performRequest($containerName, array('restype' => 'container', 'comp' => 'acl'), 'GET', array(), false, null, self::RESOURCE_CONTAINER, self::PERMISSION_READ);
        if ( ! $response->isSuccessful()) {
            throw new BlobException($this->getErrorMessage($response, 'Resource could not be accessed.'));
        }

        if ($signedIdentifiers == false)  {
            // Only private/blob/container
            $accessType = $response->getHeader(Storage::PREFIX_STORAGE_HEADER . 'blob-public-access');
            if (strtolower($accessType) == 'true') {
                $accessType = self::ACL_PUBLIC_CONTAINER;
            }
            return $accessType;
        }

        $result = $this->parseResponse($response);
        if ( ! $result) {
            return array();
        }

        $entries = null;
        if ($result->SignedIdentifier) {
            if (count($result->SignedIdentifier) > 1) {
                $entries = $result->SignedIdentifier;
            } else {
                $entries = array($result->SignedIdentifier);
            }
        }

        $returnValue = array();
        foreach ($entries as $entry) {
            $returnValue[] = new SignedIdentifier(
                    $entry->Id,
                    $entry->AccessPolicy ? $entry->AccessPolicy->Start ? $entry->AccessPolicy->Start : '' : '',
                    $entry->AccessPolicy ? $entry->AccessPolicy->Expiry ? $entry->AccessPolicy->Expiry : '' : '',
                    $entry->AccessPolicy ? $entry->AccessPolicy->Permission ? $entry->AccessPolicy->Permission : '' : ''
                    );
        }

        return $returnValue;
    }