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