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package com.viber.bot.event.callback;

import com.viber.bot.event.BotEventListener;
import com.viber.bot.event.incoming.IncomingDeliveredEvent;
import com.viber.bot.message.Message;

import java.util.concurrent.Future;

import static com.google.common.base.Preconditions.checkArgument;

public interface OnMessageDelivered extends BotEventListener {
    void messageDelivered(IncomingDeliveredEvent event, Message message);

    @Override
    default Future emit(final Object... args) {
        checkArgument(args.length == 2);
        messageDelivered((IncomingDeliveredEvent) args[0], (Message) args[1]);
        return nothing;
    }
}