https://source.android.com/ 
public interface android.media.audiofx.AudioEffect$OnEnableStatusChangeListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.media.audiofx.AudioEffect$OnEnableStatusChangeListener
  super_class: java.lang.Object
{
  public abstract void onEnableStatusChange(android.media.audiofx.AudioEffect, boolean);
    descriptor: (Landroid/media/audiofx/AudioEffect;Z)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
         Name  Flags
      effect   
      enabled  
}
SourceFile: "AudioEffect.java"
NestHost: android.media.audiofx.AudioEffect
InnerClasses:
  public abstract OnEnableStatusChangeListener = android.media.audiofx.AudioEffect$OnEnableStatusChangeListener of android.media.audiofx.AudioEffect