public RegionDescription withDesiredNumberOfDomainControllers(Integer desiredNumberOfDomainControllers) {
        setDesiredNumberOfDomainControllers(desiredNumberOfDomainControllers);
        return this;
    }
<p>
The desired number of domain controllers in the specified Region for the specified directory.
</p>

@param desiredNumberOfDomainControllers
       The desired number of domain controllers in the specified Region for the specified directory.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-directory/src/main/java/com/amazonaws/services/directory/model/RegionDescription.java