protected function get_progress() : \progress_trace {
        if (null === $this->progresstracer) {
            $this->set_progress(new \text_progress_trace());
        }

        return $this->progresstracer;
    }
protected function get_progress() : \progress_trace {
        if (null === $this->progresstracer) {
            $this->set_progress(new \text_progress_trace());
        }

        return $this->progresstracer;
    }
protected function get_progress ( ) : \ progress_trace { if ( null === $ this -> progresstracer ) { $ this -> set_progress ( new \ text_progress_trace ( ) ) ; } return $ this -> progresstracer ; }
Get the progress tracer.

@return  \progress_trace
Get the progress tracer .