Defines the behaviour for set fields.
Deserialize this field from the type stored in MongoDB to the type defined on the model.
@example Deserialize the field.
field.deserialize(object)
@param [ Object ] object The object to cast.
@return [ Set ] The converted set.
@since 2.1.0
Serialize the object from the type defined in the model to a MongoDB compatible object to store.
@example Serialize the field.
field.serialize(object)
@return [ Array ] The converted array.
[Validate]