public CostTypes getCostTypes() {
        return this.costTypes;
    }
<p>
The types of costs that are included in this <code>COST</code> budget.
</p>
<p>
<code>USAGE</code>, <code>RI_UTILIZATION</code>, <code>RI_COVERAGE</code>, <code>SAVINGS_PLANS_UTILIZATION</code>
, and <code>SAVINGS_PLANS_COVERAGE</code> budgets do not have <code>CostTypes</code>.
</p>

@return The types of costs that are included in this <code>COST</code> budget.</p>
        <p>
        <code>USAGE</code>, <code>RI_UTILIZATION</code>, <code>RI_COVERAGE</code>,
        <code>SAVINGS_PLANS_UTILIZATION</code>, and <code>SAVINGS_PLANS_COVERAGE</code> budgets do not have
        <code>CostTypes</code>.
aws-java-sdk-budgets/src/main/java/com/amazonaws/services/budgets/model/Budget.java