code: public Map<String, String> getStringMap(final Map<String, String> map) {
  		final int len = getVInt();
  		for (int i = 0; i < len; i++) {
  			map.put(getString(), getString());
  		}
  		return map;
  	}
docs: Get Map<String, String> stored in UTF-8 format
  
  @param map
  to put stored elements
  @return
  @see #putStringMap(Map)