Inheriting from Argument in order to represent the id of a UDF runtime object as obtainable by list_udf_runtimes().
Object of R6::R6Class() is an argument that expects a UDF runtime version or character as value.
Array, Integer, EPSGCode, String, Number, Date, DataCube, ProcessGraphArgument, ProcessGraphParameter, OutputFormatOptions, GeoJson, Boolean, DateTime, Time, BoundingBox, Kernel, TemporalInterval, TemporalIntervals, CollectionId, OutputFormat, AnyOf, ProjDefinition, UdfCodeArgument, UdfRuntimeArgument and UdfRuntimeVersionArgument, MetadataFilter