Convex Hull
shapes_points
QgsProcessingParameterFeatureSource|SHAPES|Points|0|None|False
QgsProcessingParameterEnum|POLYPOINTS|Hull Construction|[0] one hull for all shapes;[1] one hull per shape;[2] one hull per shape part
QgsProcessingParameterVectorDestination|HULLS|Convex Hull
QgsProcessingParameterVectorDestination|BOXES|Minimum Bounding Box