Method scope

core/test/com/google/inject/ScopesTest.java:513–516

(Key<T> key, Provider<T> unscoped)

  static final Scope CUSTOM_SCOPE =
      new Scope() {
        @Override
        public <T> Provider<T> scope(Key<T> key, Provider<T> unscoped) {
          return Scopes.SINGLETON.scope(key, unscoped);
        }
      };

  @SuppressWarnings("InjectScopeOrQualifierAnnotationRetention") // to check failure mode