https://source.android.com/ 
class android.app.admin.DeviceAdminService$IDeviceAdminServiceImpl extends android.app.admin.IDeviceAdminService$Stub
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: android.app.admin.DeviceAdminService$IDeviceAdminServiceImpl
  super_class: android.app.admin.IDeviceAdminService$Stub
{
  final android.app.admin.DeviceAdminService this$0;
    descriptor: Landroid/app/admin/DeviceAdminService;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(android.app.admin.DeviceAdminService);
    descriptor: (Landroid/app/admin/DeviceAdminService;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // android.app.admin.DeviceAdminService$IDeviceAdminServiceImpl this
         0: .line 61
            aload 0 /* this */
            aload 1
            putfield android.app.admin.DeviceAdminService$IDeviceAdminServiceImpl.this$0:Landroid/app/admin/DeviceAdminService;
            aload 0 /* this */
            invokespecial android.app.admin.IDeviceAdminService$Stub.<init>:()V
            return
        end local 0 // android.app.admin.DeviceAdminService$IDeviceAdminServiceImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Landroid/app/admin/DeviceAdminService$IDeviceAdminServiceImpl;
    MethodParameters:
        Name  Flags
      this$0  final
}
SourceFile: "DeviceAdminService.java"
NestHost: android.app.admin.DeviceAdminService
InnerClasses:
  private IDeviceAdminServiceImpl = android.app.admin.DeviceAdminService$IDeviceAdminServiceImpl of android.app.admin.DeviceAdminService
  public abstract Stub = android.app.admin.IDeviceAdminService$Stub of android.app.admin.IDeviceAdminService