function HSMDateTime(properties) {
                        if (properties)
                            for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                                if (properties[keys[i]] != null)
                                    this[keys[i]] = properties[keys[i]];
                    }
Constructs a new HSMDateTime.
@memberof proto.Message.HighlyStructuredMessage.HSMLocalizableParameter
@classdesc Represents a HSMDateTime.
@implements IHSMDateTime
@constructor
@param {proto.Message.HighlyStructuredMessage.HSMLocalizableParameter.IHSMDateTime=} [properties] Properties to set