@Nullable
  @Override
  public ChangeApplier prepareChange(@NotNull List<? extends @NotNull VFileEvent> events) {
    return WebServerPageConnectionService.Companion.getInstance()
      .reloadRelatedClients(ContainerUtil.mapNotNull(events, VFileEvent::getFile));
  }
@Nullable
  @Override
  public ChangeApplier prepareChange(@NotNull List<? extends @NotNull VFileEvent> events)