removed the unknownSubclass in ObjectClass and its associated type UnknownSubclassType

ObjectClassDescription ::= SEQUENCE (SIZE(1..8)) OF ObjectClassWithConfidence

-- @brief Object Class with Confidence

-- Describes the classification of a detected object. The object can be classified into one of five

-- categories: unknown, vehicle, person, animal and other. The classification is provided with a

-- Describes the classification of a detected object. The object can be classified into one of four

-- categories: vehicle, person, animal and other. The classification is provided with a

-- confidence indication.

ObjectClassWithConfidence ::= SEQUENCE {

    -- @todo

-- The class that best describes the detected object. Each class provides optional subclasses and

-- an associated confidence for the subclass.

ObjectClass ::= CHOICE {

    unknownSubclass     UnknownSubclassType,

    vehicleSubclass     VehicleSubclassType,

    personSubclass      PersonSubclassType,

    animalSubclass      AnimalSubclassType,

    node-Z6 Offset-B16  -- node is within 327.67m of last node

}

-- @brief Unknown Subclass Type

-- Describes the subclass of a detected object for class unknown.

-- @unit n/a

UnknownSubclassType ::= INTEGER {

    unknown             (0)

} (0..255)

-- @brief Animal Subclass Type

-- Describes the subclass of a detected object for class animal.