docs: public Packer putStringMap(final Map<String, String> map) {
  		putVInt(map.size());
  		for (final Entry<String, String> e : map.entrySet()) {
  			final String key = e.getKey();
  			final String value = e.getValue();
  			putString(key);
  			putString(value);
  		}
  		return this;
  	}