public interface com.mongodb.async.client.Observer<TResult>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.mongodb.async.client.Observer
  super_class: java.lang.Object
{
  public abstract void onSubscribe(com.mongodb.async.client.Subscription);
    descriptor: (Lcom/mongodb/async/client/Subscription;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
              Name  Flags
      subscription  

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

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

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