public ListPricingPlansAssociatedWithPricingRuleRequest withBillingPeriod(String billingPeriod) {
        setBillingPeriod(billingPeriod);
        return this;
    }
<p>
The pricing plan billing period for which associations will be listed.
</p>

@param billingPeriod
       The pricing plan billing period for which associations will be listed.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-billingconductor/src/main/java/com/amazonaws/services/billingconductor/model/ListPricingPlansAssociatedWithPricingRuleRequest.java