code: public Map<String, Boolean> getNamesOfConfigurationSources() {
  		final Map<String, Boolean> result = new LinkedHashMap<String, Boolean>();
  		for (ConfigurationSource configurationSource : configurationSources) {
  			result.put(configurationSource.getName(), configurationSource.isSavingPossible());
  		}
  		return result;
  	}
docs: Returns a map with the names of all configuration sources as key and a boolean indicating whether the configuration
  source supports saving as value
  
  @return the names of all configuration sources