protected function get_trace() {
        if (null === $this->trace) {
            $this->trace = new \text_progress_trace();
            $this->tracestats = new \stdClass();
        }

        return $this->trace;
    }
protected function get_trace() {
        if (null === $this->trace) {
            $this->trace = new \text_progress_trace();
            $this->tracestats = new \stdClass();
        }

        return $this->trace;
    }
protected function get_trace ( ) { if ( null === $ this -> trace ) { $ this -> trace = new \ text_progress_trace ( ) ; $ this -> tracestats = new \ stdClass ( ) ; } return $ this -> trace ; }
Get the progress_trace.

@return  \progress_trace
Get the progress_trace .