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<?php
namespace Carpenstar\ByBitAPI\Core\Objects\WebSockets;
use Carpenstar\ByBitAPI\Core\Interfaces\IWebSocketArgumentInterface;
abstract class WebSocketArgument implements IWebSocketArgumentInterface
{
protected ?string $reqId;
protected string $symbols;
public function __construct(string $symbol, ?string $reqId = null)
$this->symbols = $symbol;
$this->reqId = $reqId;
}
/**
* @return string
*/
public function getReqId(): string
return $this->reqId;
return $this->reqId
null
string
public function getSymbols(): string
return $this->symbols;