public DescribeProvisionedProductPlanRequest withPlanId(String planId) {
        setPlanId(planId);
        return this;
    }
<p>
The plan identifier.
</p>

@param planId
       The plan identifier.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-servicecatalog/src/main/java/com/amazonaws/services/servicecatalog/model/DescribeProvisionedProductPlanRequest.java