public Set<Key<?>> getDependencies() {
        return dependencies;
    }

    public Annotation getScope() {
        return scope;
    }

    public String getDisplayString() {
        return dependencies.stream().map(Key::getDisplayString).collect(joining(", ", "[", "]"));
    }

    public Key<?> getOriginalKey() {
        return originalKey;
    }

    public int getPriority() {

                    // ignore
                    e.printStackTrace();
                }
                throw new DIException("No binding to construct an instance for key "
                        + key.getDisplayString() + ".  Existing bindings:\n"
                        + getBoundKeys().stream()
                                .map(Key::toString)
                                .map(String::trim)