function PacketPing(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 PacketPing.
@memberof packets
@classdesc Represents a PacketPing.
@implements IPacketPing
@constructor
@param {packets.IPacketPing=} [properties] Properties to set