https://source.android.com/ 
public interface android.companion.IFindDeviceCallback extends android.os.IInterface
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.companion.IFindDeviceCallback
  super_class: java.lang.Object
{
  public abstract void onSuccess(android.app.PendingIntent);
    descriptor: (Landroid/app/PendingIntent;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws android.os.RemoteException
    MethodParameters:
          Name  Flags
      launcher  

  public abstract void onFailure(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws android.os.RemoteException
    MethodParameters:
        Name  Flags
      reason  
}
SourceFile: "IFindDeviceCallback.java"
NestMembers:
  android.companion.IFindDeviceCallback$Stub  android.companion.IFindDeviceCallback$Stub$Proxy
InnerClasses:
  public abstract Stub = android.companion.IFindDeviceCallback$Stub of android.companion.IFindDeviceCallback