Elements.java 文件源码

private <T> AnnotatedElementBuilder exposeInternal(Key<T> key) {
    if (privateElements == null) {
        addError("Cannot expose %s on a standard binder. "
                + "Exposed bindings are only applicable to private binders.", key);
        return new AnnotatedElementBuilder() {
            @Override
            public void annotatedWith(Class<? extends Annotation> annotationType) {
            }

            @Override
            public void annotatedWith(Annotation annotation) {
            }
        };
    }

    ExposureBuilder<T> builder = new ExposureBuilder<>(this, getSource(), key);
    privateElements.addExposureBuilder(builder);
    return builder;
}