// `outerClassId`.
                    if (receiverExpression == expression) {
                        // If there is still an outer class, then return symbol of that class
                        outerClassId?.let { return listOfNotNull(it.toTargetPsi(session, symbolBuilder)) }
                        // Otherwise, it should be a package, so we return that

     *
     * Such substitute overrides happen because of inheritance.
     *
     * If the declaration references only its own type parameters, or parameters from the outer declarations, then
     * we consider that it's signature will not be changed by the SUBSTITUTION_OVERRIDE, so the wrapper can be unwrapped.
     *

     */
    private fun FirNamedReference.getCorrespondingTypeIfPossible(): ConeKotlinType? =
        findOuterPropertyAccessExpression()?.resolvedType

    /**
     * Finds an outer expression for [this] named reference in cases when it is a part of a property access.
     *
     * Otherwise, return null.
     */
    private fun FirNamedReference.findOuterPropertyAccessExpression(): FirExpression? {