if (seeded != null) {
                return (T) seeded.get();
            }

            T provided = (T) state.provided.get(key);
            if (provided == null && unscoped != null) {
                provided = unscoped.get();
                state.provided.put(key, provided);
            }

            return provided;
        };
    }

    @SuppressWarnings({"unchecked"})