public final class Providers extends java.lang.ObjectStatic utility methods for creating and working with instances of
public static <T> Provider<T> of(T instance)Returns a provider which always provides
instance. This should not be necessary to use in your application, but is helpful for several types of unit tests.
instance- the instance that should always be provided. This is also permitted to be null, to enable aggressive testing, although in real life a Guice-supplied Provider will never return null.