http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
public interface io.netty.resolver.dns.DnsServerAddressStreamProvider
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: io.netty.resolver.dns.DnsServerAddressStreamProvider
  super_class: java.lang.Object
{
  public abstract io.netty.resolver.dns.DnsServerAddressStream nameServerAddressStream(java.lang.String);
    descriptor: (Ljava/lang/String;)Lio/netty/resolver/dns/DnsServerAddressStream;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      hostname  
}
SourceFile: "DnsServerAddressStreamProvider.java"