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 final class io.netty.channel.ChannelPromiseNotifier extends io.netty.util.concurrent.PromiseNotifier<java.lang.Void, io.netty.channel.ChannelFuture> implements io.netty.channel.ChannelFutureListener
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.channel.ChannelPromiseNotifier
  super_class: io.netty.util.concurrent.PromiseNotifier
{
  public void <init>(io.netty.channel.ChannelPromise[]);
    descriptor: ([Lio/netty/channel/ChannelPromise;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.channel.ChannelPromiseNotifier this
        start local 1 // io.netty.channel.ChannelPromise[] promises
         0: .line 33
            aload 0 /* this */
            aload 1 /* promises */
            invokespecial io.netty.util.concurrent.PromiseNotifier.<init>:([Lio/netty/util/concurrent/Promise;)V
         1: .line 34
            return
        end local 1 // io.netty.channel.ChannelPromise[] promises
        end local 0 // io.netty.channel.ChannelPromiseNotifier this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lio/netty/channel/ChannelPromiseNotifier;
            0    2     1  promises  [Lio/netty/channel/ChannelPromise;
    MethodParameters:
          Name  Flags
      promises  

  public void <init>(boolean, io.netty.channel.ChannelPromise[]);
    descriptor: (Z[Lio/netty/channel/ChannelPromise;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.channel.ChannelPromiseNotifier this
        start local 1 // boolean logNotifyFailure
        start local 2 // io.netty.channel.ChannelPromise[] promises
         0: .line 43
            aload 0 /* this */
            iload 1 /* logNotifyFailure */
            aload 2 /* promises */
            invokespecial io.netty.util.concurrent.PromiseNotifier.<init>:(Z[Lio/netty/util/concurrent/Promise;)V
         1: .line 44
            return
        end local 2 // io.netty.channel.ChannelPromise[] promises
        end local 1 // boolean logNotifyFailure
        end local 0 // io.netty.channel.ChannelPromiseNotifier this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    2     0              this  Lio/netty/channel/ChannelPromiseNotifier;
            0    2     1  logNotifyFailure  Z
            0    2     2          promises  [Lio/netty/channel/ChannelPromise;
    MethodParameters:
                  Name  Flags
      logNotifyFailure  
      promises          
}
Signature: Lio/netty/util/concurrent/PromiseNotifier<Ljava/lang/Void;Lio/netty/channel/ChannelFuture;>;Lio/netty/channel/ChannelFutureListener;
SourceFile: "ChannelPromiseNotifier.java"