public static <E> String serialize(Map<String, E> map, Class<E> jsonObjectClass) throws IOException {
        return mapperFor(jsonObjectClass).serialize(map);
    }
Serialize a map of objects to a JSON String.

@param map The map of objects to serialize.
@param jsonObjectClass The @JsonObject class of the list elements
core/src/main/java/com/bluelinelabs/logansquare/LoganSquare.java