* foo.bar.Baz -> true
     * Baz.Type -> true
     * Baz -> false
     * ```
     */
    val isQualified: Boolean

    val outerTypeQualifier: TypeQualifier?

    private class KtDotExpressionTypeQualifier(
        override val referencedClassId: ClassId,
        qualifier: KtElement,
    ) : TypeQualifier {

        private val dotQualifier: KtDotQualifiedExpression? = qualifier as? KtDotQualifiedExpression