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