@Nonnull
    public static ProtocolSubscriptionBuilder subscribe(@Nonnull PacketType... packets) {
        return ProtocolSubscriptionBuilder.newBuilder(packets);
    }
Makes a HandlerBuilder for the given packets

@param packets the packets to handle
@return a {@link ProtocolSubscriptionBuilder} to construct the event handler
helper/src/main/java/me/lucko/helper/protocol/Protocol.java