@Inject
ResourceDescriptionsProvider resourceDescriptionsProvider;

@Override
public void configure(Binder binder) {
    super.configure(binder);
    binder.bind(IResourceDescriptionsProvider.class).to(ResourceDescriptionsProvider.class);
}

Injector injector = Guice.createInjector(new AbstractModule() {
@Override
    protected void configure() {
        bind(IResourceDescriptionsProvider.class).to(ResourceDescriptionsProvider.class);
    }
});
resourceDescriptionsProvider = injector.getInstance(ResourceDescriptionsProvider.class);

bind(IWorkbench.class).toProvider(() -> PlatformUI.getWorkbench());