private void registerSerializer(@NotNull String externalId, @NotNull Supplier<? extends ObjectStubSerializer<?, ? extends Stub>> lazySerializer) {
    try {
      mySerializerEnumerator.assignId(lazySerializer, externalId);
    }
    catch (IOException e) {
      LOG.info(e);
      nameStorageCrashed();
    }
  }
private void registerSerializer(@NotNull String externalId, @NotNull Supplier<? extends ObjectStubSerializer<?, ? extends Stub>> lazySerializer)