r.patchCreates a composite raster layer by using one (or more) layer(s) to fill in areas of "no data" in another map layer.Raster (r.*)QgsProcessingParameterMultipleLayers|input|Raster layers to be patched together|3|None|FalseQgsProcessingParameterBoolean|-z|Use zero (0) for transparency instead of NULL|FalseQgsProcessingParameterRasterDestination|output|Patched