public void setUsagePlanId(String usagePlanId) {
        this.usagePlanId = usagePlanId;
    }
<p>
The plan Id associated with this usage data.
</p>

@param usagePlanId
       The plan Id associated with this usage data.
aws-java-sdk-api-gateway/src/main/java/com/amazonaws/services/apigateway/model/UpdateUsageResult.java