polygons_to_lines
Polygons to lines
Data tools
https://www.whiteboxgeo.com/manual/wbw-user-manual/book/tool_help.html#polygons_to_lines
QgsProcessingParameterFeatureSource|input1|Input (Vector)|QgsProcessing.TypeVectorAnyGeometry|None|False
QgsProcessingParameterVectorDestination|fnOutput|Output (Vector)|QgsProcessing.TypeVectorAnyGeometry|None|False
