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

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