code: @Override
    public String getCurrentVersion() {
      try {
        return this.storeMetadata.getCurrentVersion();
      } catch (IOException e) {
        Path configStoreDir = new Path(new Path(this.physicalStoreRoot), CONFIG_STORE_NAME);
        throw new RuntimeException(
            String.format("Error while checking current version for configStoreDir: \"%s\"", configStoreDir), e);
      }
    }
docs: Returns a {@link String} representation of the active version stored in the {@link ConfigStore}. This method
  determines the current active version by reading the {@link #CONFIG_STORE_METADATA_FILENAME} in
  {@link #CONFIG_STORE_NAME}
  
  @return a {@link String} representing the current active version of the {@link ConfigStore}.