https://openjdk.java.net/ 
public interface javax.sound.midi.Transmitter extends java.lang.AutoCloseable
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: javax.sound.midi.Transmitter
  super_class: java.lang.Object
{
  public abstract void setReceiver(javax.sound.midi.Receiver);
    descriptor: (Ljavax/sound/midi/Receiver;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      receiver  

  public abstract javax.sound.midi.Receiver getReceiver();
    descriptor: ()Ljavax/sound/midi/Receiver;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void close();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "Transmitter.java"