@SuppressWarnings({"deprecation", "DeprecatedIsStillUsed"})
  @Override
  @Deprecated
  public void exportScheme(@NotNull Scheme scheme, @NotNull OutputStream outputStream) throws Exception {
    assert scheme instanceof SerializableScheme;
    writeToStream((SerializableScheme)scheme, outputStream);
  }
@SuppressWarnings({"deprecation", "DeprecatedIsStillUsed"})
  @Override
  @Deprecated
  public void exportScheme(@NotNull Scheme scheme, @NotNull OutputStream outputStream)