public interface java.nio.channels.CompletionHandler<V, A>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: java.nio.channels.CompletionHandler
  super_class: java.lang.Object
{
  public abstract void completed(V, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TV;TA;)V
    MethodParameters:
            Name  Flags
      result      
      attachment  

  public abstract void failed(java.lang.Throwable, );
    descriptor: (Ljava/lang/Throwable;Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/Throwable;TA;)V
    MethodParameters:
            Name  Flags
      exc         
      attachment  
}
Signature: <V:Ljava/lang/Object;A:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "CompletionHandler.java"