src/SDK/Corundum.php
protected function apiSend(Slice $slice, callable $callback)
    {
        try
        {
            return $this->apiRequest($slice);
        }
        catch (\Throwable $throwable)
        {
            return $this->apiRequest($callback());
        }
    }
protected function apiSend(Slice $slice, callable $callback)
    {
        try
        {
            return $this->apiRequest($slice);
        }
        catch (\Throwable $throwable)
        {
            return $this->apiRequest($callback());
        }
    }
@param Slice    $slice
@param callable $callback

@return Slice|null