public Boolean isSizeFlexEligible() {
        return this.sizeFlexEligible;
    }
<p>
Determines whether the recommendation is size flexible.
</p>

@return Determines whether the recommendation is size flexible.
aws-java-sdk-costoptimizationhub/src/main/java/com/amazonaws/services/costoptimizationhub/model/RdsReservedInstancesConfiguration.java