src/Etl.php
public function stopProcessing(bool $rollback = false): void
    {
        $this->shouldStop = true;
        $this->shouldRollback = $rollback;
    }
public function stopProcessing(bool $rollback = false): void
    {
        $this->shouldStop = true;
        $this->shouldRollback = $rollback;
    }
public function stopProcessing ( bool $ rollback = false ) : void { $ this -> shouldStop = true ; $ this -> shouldRollback = $ rollback ; }
Ask the ETl to stop.

@param bool $rollback - if the loader should rollback instead of flushing.
Ask the ETl to stop .