public Selector getSelector() {
        return this.selector;
    }
<p>
Differentiates between the mutually exclusive rate cards in the same pricing term to be selected by the buyer.
</p>

@return Differentiates between the mutually exclusive rate cards in the same pricing term to be selected by the
        buyer.
aws-java-sdk-marketplaceagreement/src/main/java/com/amazonaws/services/marketplaceagreement/model/ConfigurableUpfrontRateCardItem.java