-// /*
-// * MAP
-// */
-// /**
-// * Creates a new {@link Map} with one key-value pair. Key should not be null,
-// * but if the value is null, it returns an empty {@link Map}.
-// *
-// * @deprecated Use {@link Collections#singletonMap(Object, Object)} instead.
-// */
-// @Deprecated
-// public static Map<String, Object> map(String key, Object value) {
-// assert key != null;
-// HashMap<String, Object> props = new HashMap<>();
-// if (value != null)
-// props.put(key, value);
-// return props;
-// }
-