public <T> T getObject(String key, TypeReference<T> typeReference, JSONReader.Feature... features) {
        return getObject(key, typeReference.type, features);
    }
Returns the result of the {@link Type} converter conversion of the associated value in this {@link JSONObject}.
<p>
{@code User user = jsonObject.getObject("user", User.class);}

@param key the key whose associated value is to be returned
@param typeReference specify the {@link TypeReference} to be converted
@param features features to be enabled in parsing
@return {@code <T>} or {@code null}
@throws JSONException If no suitable conversion method is found
@since 2.0.3
core/src/main/java/com/alibaba/fastjson2/JSONObject.java