docs: public static Environment parse(final String s){
  		if (s==null || s.isEmpty() || s.trim().isEmpty())
  			return GlobalEnvironment.INSTANCE;
  		final String[] tokens = StringUtils.tokenize(s, '_');
  		final DynamicEnvironment env = new DynamicEnvironment();
  		for (final String t : tokens) {
              env.add(t);
          }
  		return env;
  	}