public static HeadersManager GetInstance()
{
if (_instance == null)
{
lock (headersLock)
{
if (_instance == null)
{
_instance = new HeadersManager();
_instance.AddHeader(HeadersEnum.APP_ID_NAME, Backendless.AppId);
_instance.AddHeader(HeadersEnum.SECRET_KEY_NAME, Backendless.SecretKey);
_instance.AddHeader(HeadersEnum.APP_TYPE_NAME, "REST");
}
}
}
return(_instance);
}