r.growGenerates a raster layer with contiguous areas grown by one cell.Raster (r.*)QgsProcessingParameterRasterLayer|input|input raster layer|None|FalseQgsProcessingParameterNumber|radius|Radius of buffer in raster cells|QgsProcessingParameterNumber.Double|1.01|True|None|NoneQgsProcessingParameterEnum|metric|Metric|euclidean;maximum;manhattan|False|0|TrueQgsProcessingParameterNumber|old|Value to write for input cells which are non-NULL (-1 => NULL)|QgsProcessingParameterNumber.Integer|None|True|None|NoneQgsProcessingParameterNumber|new|Value to write for "grown" cells|QgsProcessingParameterNumber.Integer|None|True|None|None*QgsProcessingParameterBoolean|-m|Radius is in map units rather than cells|FalseQgsProcessingParameterRasterDestination|output|Expanded