/**
     * Must be `true` if the PSI qualifier is itself qualified with the package or some other type, and `false` otherwise.
     *
     * ```
     * foo.bar.Baz -> true
     * Baz.Type -> true
     * Baz -> false
     * ```
     */
    val isQualified: Boolean

    val outerTypeQualifier: TypeQualifier?

    private class KtDotExpressionTypeQualifier(