Actually, it seems to work. I simply replaced `askScopeCompletion` to `askTypeCompletion` and called it from "value is not a member of...", and got good completions, including implicitly added ones. Here's my examples that worked:

```
  class Bar {
    val fooBar = "abcdef"

  }

//...
    val b = new Bar
    b.foobar  // suggests fooBar
    "abcdef".Zip(_ + 1) // suggests zip (added by implicit conversion)

```