code: public Map<URI, Config> getConfigsFromStrings(Collection<String> configKeyStrs)
        throws ConfigStoreFactoryDoesNotExistsException, ConfigStoreCreationException, VersionDoesNotExistException,
        URISyntaxException {
      if (configKeyStrs == null || configKeyStrs.size() == 0)
        return Collections.emptyMap();
  
      Collection<URI> configKeyUris = new ArrayList<>();
      for (String s : configKeyStrs) {
        configKeyUris.add(new URI(s));
      }
      return getConfigs(configKeyUris);
    }
docs: batch process for {@link #getConfig(String)} method
  @param configKeyStrs
  @return
  @throws ConfigStoreFactoryDoesNotExistsException
  @throws ConfigStoreCreationException
  @throws VersionDoesNotExistException
  @throws URISyntaxException