method @RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES) public final void attachSystemDataTransport(int, @NonNull java.io.InputStream, @NonNull java.io.OutputStream) throws android.companion.DeviceNotAssociatedException;
method @RequiresPermission(android.Manifest.permission.DELIVER_COMPANION_MESSAGES) public final void detachSystemDataTransport(int) throws android.companion.DeviceNotAssociatedException;
method @FlaggedApi("android.companion.enable_data_sync") @MainThread public void onActionRequested(@NonNull android.companion.AssociationInfo, @NonNull android.companion.ActionRequest);
method @Nullable public final android.os.IBinder onBind(@NonNull android.content.Intent);
method @Deprecated @MainThread public void onDeviceAppeared(@NonNull String);
method @Deprecated @MainThread public void onDeviceAppeared(@NonNull android.companion.AssociationInfo);