http://www.reactive-streams.org/: A Protocol for Asynchronous Non-Blocking Data Sequence 
public interface org.reactivestreams.Subscriber<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.reactivestreams.Subscriber
  super_class: java.lang.Object
{
  public abstract void onSubscribe(org.reactivestreams.Subscription);
    descriptor: (Lorg/reactivestreams/Subscription;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      s     

  public abstract void onNext();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TT;)V
    MethodParameters:
      Name  Flags
      t     

  public abstract void onError(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      t     

  public abstract void onComplete();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;
SourceFile: "Subscriber.java"