return when (val firExpression = possibleFunctionCall.getOrBuildFir(analysisSession.firResolveSession)) {
            is FirSmartCastExpression -> firExpression
            is FirSafeCallExpression -> firExpression.selector as? FirSmartCastExpression
            is FirImplicitInvokeCall -> firExpression.explicitReceiver as? FirSmartCastExpression
            else -> null
        }
    }

            // Unary expressions always use its operand.
            is KtUnaryExpression ->
                parent.baseExpression == child

            // Qualified expressions always use its receiver. The selector is
            // used iff the qualified expression is.
            is KtQualifiedExpression ->
                parent.receiverExpression == child || (parent.selectorExpression == child && isUsed(parent))

            is FirPropertyAccessExpression -> outerFirElement
            is FirImplicitInvokeCall -> outerFirElement.explicitReceiver
            is FirSafeCallExpression -> {
                if (outerFirElement.selector is FirPropertyAccessExpression) outerFirElement else null
            }
            else -> null
        }
    }

    private fun getReturnTypeForArrayStyleAssignmentTarget(
        expression: KtExpression,

            Errors.INVISIBLE_MEMBER,
            Errors.NO_VALUE_FOR_PARAMETER,
            Errors.MISSING_RECEIVER,
            Errors.NO_RECEIVER_ALLOWED,
            Errors.ILLEGAL_SELECTOR,
            Errors.FUNCTION_EXPECTED,
            Errors.FUNCTION_CALL_EXPECTED,
            Errors.NO_CONSTRUCTOR,
            Errors.OVERLOAD_RESOLUTION_AMBIGUITY,
            Errors.NONE_APPLICABLE,

            ?.takeIf { target == null || call.useSiteTarget == target }
    }
}

internal fun FirElement.unwrapSafeCall(): FirElement =

                resolveFragmentOfCall
            )
            // FIR does not resolve to a symbol for equality calls.
            is FirEqualityOperatorCall -> toKtCallInfo(psi)
            is FirSafeCallExpression -> selector.toKtCallInfo(
                psi,
                resolveCalleeExpressionOfFunctionCall,
                resolveFragmentOfCall
            )
            is FirSmartCastExpression -> originalExpression.toKtCallInfo(

        FunctionCallExpectedImpl(
            firDiagnostic.a,
            firDiagnostic.b,
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.ILLEGAL_SELECTOR) { firDiagnostic ->
        IllegalSelectorImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.NO_RECEIVER_ALLOWED) { firDiagnostic ->

- [`KTIJ-26498`](https://youtrack.jetbrains.com/issue/KTIJ-26498) KMP: Create expect-actual dialog selects incorrect path on Windows
- [`KTIJ-24877`](https://youtrack.jetbrains.com/issue/KTIJ-24877) K2 IDE. False negative unused import directive when declaration is available in file indirectly