return originalDeclaration.takeIf { this.origin is FirDeclarationOrigin.SubstitutionOverride.CallSite }
    }

    /**
     * We want to unwrap a SUBSTITUTION_OVERRIDE wrapper if it doesn't affect the declaration's signature in any way. If the signature
     * is somehow changed, then we want to keep the wrapper.
     *
     * Such substitute overrides happen because of inheritance.
     *

        /**
         * Not all expressions appear in the [ControlFlowGraph].
         * Still, if we find at least some of them, it's very unlikely that we will ever find a better graph.
         */
        val firCandidates = buildSet {
            fun addCandidate(firCandidate: FirElement) {
                add(firCandidate)

    }

    private fun ConeKotlinType.getDirectSuperTypes(shouldApproximate: Boolean): Sequence<ConeKotlinType> {
        return when (this) {
            // We also need to collect those on `upperBound` due to nullability.
            is ConeFlexibleType -> lowerBound.getDirectSuperTypes(shouldApproximate) + upperBound.getDirectSuperTypes(shouldApproximate)

            if (hasParentPsi(symbol)) {
                // getSymbol(ClassId) returns a symbol from the original file, so here we avoid using it
                return getContainingDeclarationByPsi(symbol)
            }
        }

        when (symbol) {
            is KtLocalVariableSymbol,
            is KtAnonymousFunctionSymbol,

            /**
             * IR for code fragment is not fully correct until `patchCodeFragmentIr` is over.
             * Because of that we run IR plugins manually after patching and don't pass any extension to fir2ir conversion in `runFir2Ir` method
             */
            irGeneratorExtensions = emptyList()
        )

 * Helper abstraction to navigate through qualified FIR elements - we have to match [ClassId] and PSI qualifier pair
 * to correctly reason about long qualifiers.
 */
private sealed interface TypeQualifier {
    val referencedClassId: ClassId

    /**
     * Type can be imported with alias, and thus can be referenced by the name different from its actual name.
     *

     * fun usage(action: String.(Int) -> String) {
     *   "hello".<expr>action</expr>(10)
     * }
     * ```
     *
     * The user might want to know the type of the `action` callback. If we always return null for the named references,
     * we won't be able to handle this request, and just return null. So the user will only be able to see the type
     * of the whole expression instead, and that is not what he wants.
     */

            // Make sure we're not going to expand type argument over and over again.
            // If so, i.e., if there is a recursive type argument, return the current, non-null [type]
            // to prevent the following [substituteTypeOr*] from proceeding to its own (recursive) substitution.
            if (type.hasRecursiveTypeArgument()) return type

        }
    }

    private fun KtCallInfo?.toKtCallCandidateInfos(bestCandidateDescriptors: Set<CallableDescriptor>): List<KtCallCandidateInfo> {
        // TODO: We should prefer to compare symbols instead of descriptors, but we can't do so while symbols are not cached.
        fun KtCall.isInBestCandidates(): Boolean {
            val descriptor = this.safeAs<KtFunctionCall<*>>()?.descriptor as? CallableDescriptor

- [`KT-61686`](https://youtrack.jetbrains.com/issue/KT-61686) Check and update places in compiler and IDE where we are saying that MPP is experimental/Beta/Alpha
- [`KTIJ-27058`](https://youtrack.jetbrains.com/issue/KTIJ-27058) Wizard's KMM application failed to build in 232 AS