code: public static List<String> get(final Environment env, final String propName) {
  		final List<String> list = new ArrayList<>();
  
  		final String singleProp = env.getProperty(propName);
  		if (singleProp != null) {
  			list.add(singleProp);
  			return list;
  		}
  
  		int counter = 0;
  		String prop = env.getProperty(propName + "[" + counter + "]");
  		while (prop != null) {
  			list.add(prop);
  			counter++;
  			prop = env.getProperty(propName + "[" + counter + "]");
  		}
  
  		return list;
  	}
docs: Lookup in {@link Environment} a certain property or a list of properties.
  
  @param env
  the {@link Environment} context from which to
  @param propName
  the name of the property to lookup from {@link Environment}.
  @return the list