docs: public static <K, V> HashMap<K, V> newHashMap(@NotNull final K[] keys, @NotNull final V[] values) {
  		Validate.isTrue(keys.length == values.length, "keys.length is %d but values.length is %d", keys.length,
  				values.length);
  
  		HashMap<K, V> map = new HashMap<K, V>(keys.length * 2);
  
  		for (int i = 0; i < keys.length; i++) {
  			map.put(keys[i], values[i]);
  		}
  
  		return map;
  	}