polygonize
Polygonize
GIS
https://www.whiteboxgeo.com/manual/wbw-user-manual/book/tool_help.html#polygonize
QgsProcessingParameterMultipleLayers|input_layers1|Input layers (List[Vector])|QgsProcessing.TypeVectorAnyGeometry|None|False
QgsProcessingParameterVectorDestination|fnOutput|Output (Vector)|QgsProcessing.TypeVectorAnyGeometry|None|False
