code: public function one( $output = \OBJECT ) {
  		global $wpdb;
  
  		$this->limit( 1 );
  		$this->last_query = $this->translateSelect();
  		$this->reset();
  
  		return $wpdb->get_row( $this->last_query, $output ); // WPCS: unprepared SQL ok.
  	}
docs: Translate the given query object and return the results
  
  @param string $output (Optional) Any of ARRAY_A | ARRAY_N | OBJECT | OBJECT_K constants.
  
  @return mixed