Burn Stream Network into DEM
ta_preprocessor
QgsProcessingParameterRasterLayer|DEM|DEM|None|False
QgsProcessingParameterRasterLayer|STREAM|Streams|None|False
QgsProcessingParameterRasterLayer|FLOWDIR|Flow direction|None|False
QgsProcessingParameterEnum|METHOD|Method|[0] simply decrease cell's value by epsilon;[1] lower cell's value to neighbours minimum value minus epsilon;[2] trace stream network downstream
QgsProcessingParameterNumber|EPSILON|Epsilon|QgsProcessingParameterNumber.Double|1.0|False|0.0|None
QgsProcessingParameterRasterDestination|BURN|Processed DEM