//snippet 1:

    public void inject(Object instance, String scope) throws InjectionProviderException
    {
        AnnotatedType annoType = beanManager.createAnnotatedType(instance.getClass());
        InjectionTarget target = beanManager.createInjectionTarget(annoType);
        CreationalContext<?> creationalContext =  beanManager.createCreationalContext(null);

        DependentInstanceStorage storage;
        if ("application".equals(scope))
        {
            storage = getApplicationScopedDependentInstanceStorage();
        }
        else if ("request".equals(scope))
        {
            storage = getRequestScopedDependentInstanceStorage();
        }
        //else if -- for all known scopes
        else
        {
            storage = getFallbackDependentInstanceStorage(); //that's the case for new scopes
        }

        storage.add(new DependentInstanceEntry(instance, creationalContext));

        target.inject(instance, creationalContext);
    }

//snippet 2:
    public void inject(Object instance, String scope) throws InjectionProviderException
    {
        AnnotatedType annoType = beanManager.createAnnotatedType(instance.getClass());
        InjectionTarget target = beanManager.createInjectionTarget(annoType);
        CreationalContext<?> creationalContext =  beanManager.createCreationalContext(null);

        DependentInstanceStorage storage = getScopedStorageFor(scope); //generic lookup by name
        storage.add(new DependentInstanceEntry(instance, creationalContext));

        target.inject(instance, creationalContext);
    }

//snippet 3:
    public void inject(Object instance, DependentInstanceStorage storage /*or a std. map/...*/) throws InjectionProviderException
    {
        AnnotatedType annoType = beanManager.createAnnotatedType(instance.getClass());
        InjectionTarget target = beanManager.createInjectionTarget(annoType);
        CreationalContext<?> creationalContext =  beanManager.createCreationalContext(null);

        storage.add(new DependentInstanceEntry(instance, creationalContext));

        target.inject(instance, creationalContext);
    }