public void setTotalImpact(Double totalImpact) {
        this.totalImpact = totalImpact;
    }
<p>
The cumulative dollar difference between the total actual spend and total expected spend. It is calculated as
<code>TotalActualSpend - TotalExpectedSpend</code>.
</p>

@param totalImpact
       The cumulative dollar difference between the total actual spend and total expected spend. It is calculated
       as <code>TotalActualSpend - TotalExpectedSpend</code>.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/Impact.java