protected virtual void AddRequestSupplier(IRequestSupplier requestSupplier)
{
requestSupplier.NotNull(nameof(requestSupplier));
_requestSuppliers.Add(requestSupplier);
}
protected virtual Spider AddRequestSupplier(IRequestSupplier requestSupplier)
{
requestSupplier.NotNull(nameof(requestSupplier));
_requestSuppliers.Add(requestSupplier);
return(this);
}