refactoring: extract method for dumping QGIS symbology #705
refactoring: extract method for dumping QGIS symbology #705

geometalab/osmaxx,geometalab/osmaxx,geometalab/osmaxx,geometalab/osmaxx,geometalab/osmaxx-frontend,geometalab/osmaxx-frontend,geometalab/osmaxx-frontend,geometalab/osmaxx-frontend