parentBinaryExpression.operationToken == KtTokens.EQ &&
            (lhs == unwrappedPsi || (lhs as? KtQualifiedExpression)?.selectorExpression == unwrappedPsi) &&
            unwrappedPsi !is KtArrayAccessExpression
        ) {
            // Specially handle property assignment because FE1.0 resolves LHS of assignment to just the property, which would then be
            // treated as a property read.

        if (fir.calleeReference !is FirResolvedNamedReference || fir.calleeReference.name != OperatorNameConventions.SET) return null
        if (expression !is KtArrayAccessExpression) return null
        val assignment = expression.parent as? KtBinaryExpression ?: return null
        if (assignment.operationToken !in KtTokens.ALL_ASSIGNMENTS) return null

                parent.receiverExpression == child || (parent.selectorExpression == child && isUsed(parent))

            // Array accesses use both receiver and index.
            is KtArrayAccessExpression ->
                child in parent.indexExpressions || parent.arrayExpression == child

            // Calls use only the callee directly -- arguments are wrapped in a
            // KtValueArgument container