https://source.android.com/ 
public interface android.media.MediaScannerConnection$MediaScannerConnectionClient extends android.media.MediaScannerConnection$OnScanCompletedListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.media.MediaScannerConnection$MediaScannerConnectionClient
  super_class: java.lang.Object
{
  public abstract void onMediaScannerConnected();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void onScanCompleted(java.lang.String, android.net.Uri);
    descriptor: (Ljava/lang/String;Landroid/net/Uri;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      path  
      uri   
}
SourceFile: "MediaScannerConnection.java"
NestHost: android.media.MediaScannerConnection
InnerClasses:
  public abstract MediaScannerConnectionClient = android.media.MediaScannerConnection$MediaScannerConnectionClient of android.media.MediaScannerConnection
  public abstract OnScanCompletedListener = android.media.MediaScannerConnection$OnScanCompletedListener of android.media.MediaScannerConnection