r.clump
Recategorizes data in a raster map by grouping cells that form physically discrete areas into unique categories.
Raster (r.*)
QgsProcessingParameterRasterLayer|input|Input layer|None|False
QgsProcessingParameterString|title|Title for output raster map|None|True
*QgsProcessingParameterBoolean|-d|Clump also diagonal cells|False
QgsProcessingParameterRasterDestination|output|Clumps