Inheriting from Argument() in order to represent a vector cube. This is analogous to
the RasterCube().
Object of R6Class() representing a vector cube.
Array(), Integer(), EPSGCode(), String(), Number(),
Date(), RasterCube(), VectorCube(), ProcessGraphArgument(),
ProcessGraphParameter(), OutputFormatOptions(), GeoJson(),
Boolean(), DateTime(), Time(), BoundingBox(), Kernel(),
TemporalInterval(), TemporalIntervals(), CollectionId(), OutputFormat(),
AnyOf(), ProjDefinition(), UdfCodeArgument(), UdfRuntimeArgument() and
UdfRuntimeVersionArgument(),TemporalIntervals(), MetadataFilter()