public <C extends Collection<T>, T> C readCollection(final InputStream stream, final ParameterizedType genericType, final Class<T> raw) {
        final JsonReader reader = readerFactory.createReader(stream);
        final Mappings.CollectionMapping mapping = mappings.findCollectionMapping(genericType, raw);
        if (mapping == null) {
            throw new UnsupportedOperationException("type " + genericType + " not supported");
        }
        try {
            return (C) mapCollection(mapping, reader.readArray());
        } catch (final InstantiationException e) {
            throw new MapperException(e);
        } catch (final IllegalAccessException e) {
            throw new MapperException(e);
        } finally {
            if (close) {
                reader.close();
            }
        }
    }

    public <C extends Collection<T>, T> C readCollection(final Reader stream, final ParameterizedType genericType, final Class<T> raw) {