import org.bukkit.SoundCategory; //导入依赖的package包/类
public void gameStart(CommandContext context) {
    if (UserManager.getInstance().getUser(context.asPlayer().getUniqueId())
            .orElseThrow(() -> new RuntimeException("An offline player executed a command.")).getParticipation() != Participation.ADMIN) {
        context.send(colour("&cInsufficient permissions."));
        return;
    }

    if (!(context.getSender() instanceof Player)) {
        context.send(colour("&cThis command is only accessible for players."));
        return;
    }

    if (GameState.current() != GameState.LOBBY) {
        context.send(colour("&cAlready started."));
        return;
    }

    GameState.setGameWorld(((Player) context.getSender()).getWorld());
    GameState.STARTING.setCurrent();

    MainConfiguration configuration = UHC.getInstance().getMainConfig();
    int time = configuration.getWorldBorderShrinkTime();
    int size = configuration.getWorldBorderFinalShrinkSize();

    List<String> toSend = Arrays.asList(
            "&e---[ And the game begins! ]---",
            "&bThere'll be a 10 minute grace period.",
            "&bAttacking other players during that period is illegal.",
            "&bThe world border will shrink for " + time + "min, until it is " + size + "x" + size + ".",
            "&bCheck the rules by doing &a/rules&b.");
    Bukkit.getServer().getOnlinePlayers().forEach(player -> {
        toSend.forEach(curs -> player.sendMessage(UHC.getInstance().getFormatter().centerString(colour(curs))));
        player.playSound(player.getLocation(), Sound.BLOCK_NOTE_BASEDRUM, SoundCategory.MASTER, 1f, 1f);
    });
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void playSound(Location location, Sound sound, SoundCategory category, float volume, float pitch) {
	if (location == null || sound == null) {
		return;
	}

	cn.nukkit.level.sound.Sound nukkitSound = PokkitSound.toNukkit(location, sound, pitch);
	if (nukkitSound == null) {
		return;
	}
	nukkit.level.addSound(nukkitSound, nukkit);
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void playSound(Location location, Sound sound, SoundCategory category, float volume, float pitch) {
    TaskManager.IMP.sync(new RunnableVal<Object>() {
        @Override
        public void run(Object value) {
            parent.playSound(location, sound, category, volume, pitch);
        }
    });
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
public PlaysoundEvent(Instruction instruction) throws InstructionParseException {
    super(instruction);
    sound = instruction.next();
    location = instruction.getLocation(instruction.getOptional("location"));
    String category = instruction.getOptional("category");
    if (category != null) {
        soundCategoty = instruction.getEnum(category, SoundCategory.class);
    } else {
        soundCategoty = SoundCategory.MASTER;
    }
    volume = (float) instruction.getDouble(instruction.getOptional("volume"), 1D);
    pitch = (float) instruction.getDouble(instruction.getOptional("pitch"), 1D);
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void playSound(Location location, Sound sound, SoundCategory category, float volume, float pitch)
{
	// TODO Auto-generated method stub
	throw new UnimplementedOperationException();
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void stopSound(Sound sound, SoundCategory category)
{
	// TODO Auto-generated method stub
	throw new UnimplementedOperationException();
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
public SoundHolder(Sound sound, SoundCategory category, float volume, float pitch) {
    this.sound = sound;
    this.category = category;
    this.volume = volume;
    this.pitch = pitch;
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
public SoundCategory getCategory() {
    return category;
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
public void setCategory(SoundCategory category) {
    this.category = category;
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void playSound(Location location, Sound sound, SoundCategory category, float volume, float pitch) {
	// TODO Auto-generated method stub

}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void stopSound(Sound sound, SoundCategory category) {
	// Silently unsupported!
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void playSound(Location arg0, Sound arg1, SoundCategory arg2, float arg3, float arg4) {
    throw new UnsupportedOperationException();
    
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void stopSound(Sound arg0, SoundCategory arg1) {
    throw new UnsupportedOperationException();

}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void playSound(Location arg0, Sound arg1, SoundCategory arg2, float arg3, float arg4) {
	
}
 

import org.bukkit.SoundCategory; //导入依赖的package包/类
@Override
public void stopSound(Sound arg0, SoundCategory arg1) {
	
}