g.extension
g.extension.manage - Install or uninstall GRASS addons.
General (g.*)
QgsProcessingParameterString|extension|Name of Extension|None|False
QgsProcessingParameterEnum|operation|Operation|add;remove|False|None|False
QgsProcessingParameterBoolean|-f|Force (required for removal)|False
QgsProcessingParameterBoolean|-t|Operate on toolboxes instead of single modules (experimental)|False