public function fullJitter(int $attempt) : int
    {
        return (int) floor($this->random(0.0, $this->exponential($attempt) / 2));
    }
public function fullJitter(int $attempt) : int
    {
        return (int) floor($this->random(0.0, $this->exponential($attempt) / 2));
    }
public function fullJitter ( int $ attempt ) : int { return ( int ) floor ( $ this -> random ( 0.0 , $ this -> exponential ( $ attempt ) / 2 ) ) ; }
This method adds a jitter value to exponential backoff value.

@param int $attempt Attempt number.

@return int
This method adds a jitter value to exponential backoff value .