class ConfigurationRegistry implements Closeable {

	public void addConfigurationSource(ConfigurationSource configurationSource) {
		addConfigurationSource(configurationSource, true);
	}

	@Deprecated public  ConfigurationRegistry(Iterable<? extends ConfigurationOptionProvider> optionProviders,
								 List<ConfigurationSource> configSources);
	@Deprecated public  ConfigurationRegistry(Iterable<? extends ConfigurationOptionProvider> optionProviders,
								 List<ConfigurationSource> configSources, boolean failOnMissingRequiredValues);

}