public void setChildChannelOptions(final Map<ChannelOption, Object> channelOptions) {
        this.childChannelOptions = channelOptions == null ? Collections.<ChannelOption, Object> emptyMap()
            : channelOptions;
    }
public void setChildChannelOptions ( final Map < ChannelOption , Object > channelOptions ) { this . childChannelOptions = channelOptions == null ? Collections . < ChannelOption , Object > emptyMap ( ) : channelOptions ; }
Add child options to the {@link io.netty.bootstrap.ServerBootstrap}.

@param channelOptions the additional child {@link io.netty.channel.ChannelOption}s.
@see io.netty.bootstrap.ServerBootstrap#childOption(io.netty.channel.ChannelOption, Object)