raster_calculator
Raster calculator
Math
https://www.whiteboxgeo.com/manual/wbw-user-manual/book/tool_help.html#raster_calculator
QgsProcessingParameterString|expression1|Expression (str)|None|False|False
QgsProcessingParameterMultipleLayers|input_rasters2|Input rasters (List[Raster])|QgsProcessing.TypeRaster|None|False
QgsProcessingParameterRasterDestination|fnOutput|Output (Raster)|None|False
