*
     * It's possible that the whole qualifier is invalid, in this case we still want to resolve our [selectedFqName].
     * To do this, we are trying to resolve the whole qualifier until we succeed.
     *
     * @param selectedFqName the selected fully qualified name of the KDoc
     * @param fullFqName the whole fully qualified name of the KDoc

- [`KT-59211`](https://youtrack.jetbrains.com/issue/KT-59211) Kapt+JVM_IR: AssertionError on delegating to anonymous object
- [`KT-57251`](https://youtrack.jetbrains.com/issue/KT-57251) K2: weird error message when trying to instantiate an `expect` class without explicit constructor

     * last expression in that block AND the block itself is used -- a
     * recursive call to `isUsed`, one level higher in the syntax tree.
     *
     * The methods are _conservative_, erring on the side of answering `true`.
     */
    private fun isUsed(psiElement: PsiElement): Boolean {
        return when (psiElement) {
            /**
             * DECLARATIONS
             */