}

    /**
     * Note: The resulting sequence does not contain non-qualified types!
     *
     * For type `A.B.C.D` it will return sequence of [`A.B.C.D`, `A.B.C`, `A.B`] (**without** `A`).
     */
    private val KtUserType.qualifiedTypesWithSelf: Sequence<KtUserType>
        get() {
            require(qualifier != null) {

                            fir.toTypeArgumentsMapping(partiallyAppliedSymbol),
                            KaSimpleVariableAccess.Read
                        )
                    }
                    // if errorsness call without ()
                    is KaFunctionLikeSymbol -> {
                        @Suppress("UNCHECKED_CAST") // safe because of the above check on targetKtSymbol
                        KaSimpleFunctionCall(